Tag
302 posts tagged #open-source
Open-source tools, self-hostable platforms, and hands-on setup notes for engineers evaluating transparent, hackable software.
gh-slimify is a GitHub CLI extension that scans workflows and automatically migrates eligible jobs from ubuntu-latest to the lightweight ubuntu-slim runner, cutting CI costs on every run.
Test AI agents with semantic validation using composable HTTP, parsing, and LLM-judge blocks in pipeline-based JSON test definitions.
An AST-powered Go CLI that parses multi-language codebases, generates interactive architecture maps via React Flow, and catches architectural drift before it reaches production.
Open-source sync engine that keeps in-app SQLite databases in real-time bi-directional sync with Postgres, MongoDB, MySQL, and SQL Server backends.
Open-source Node.js SDK that records live API calls and replays them as deterministic tests. Supports HTTP, gRPC, PostgreSQL, MongoDB, Redis, GraphQL, and more. Self-hosted.
Open-source N-L-to-SQL engine that routes plain English queries against PostgreSQL, SQLite, BigQuery, and more. Deploy as a Docker container or integrate directly into your app.
YoBulk is an open-source React SDK and self-hosted platform that uses AI to clean, validate, and deduplicate CSV data on import. Embed it in your React app or run it via Docker.
Holos replaces raw Helm and Kustomize YAML with CUE data structures, adding type safety and strong validation to Kubernetes platform configs.
GitComet is an open source cross-platform Git GUI written in Rust, designed to stay responsive on repositories with millions of files.
OpenResume is a free, privacy-first resume builder that creates ATS-friendly resumes in 3 steps. Import a PDF or build from scratch, no signup required.
Build internal dashboards and admin tools fast with MUI Toolpad. Open-source, local-first React components from the team behind Material UI.
Ridvay Code plans tasks, writes code, runs tests, and fixes errors automatically in VS Code. Works with Claude, Ollama, and LM Studio. Zero telemetry.
Libretto gives AI coding agents a live browser and CLI to inspect pages, capture network traffic, record actions, and replay them as Playwright scripts. MIT, 877 stars on GitHub.
Jitsu is an open-source data collection platform that captures events from web, app, and servers, then streams them to your data warehouse. MIT licensed.
Memex is a cross-platform desktop app for vibe coding that combines a chat interface with a coding agent, built with Rust, Tauri, and bundled Python.
Self-host GrowthBook for feature flagging, A/B experiments, and product analytics with 24 SDKs, warehouse-native data sources, and a built-in stats engine.
CraftBot is an open-source AI agent that builds, evolves, and operates its own SaaS tools while working alongside you. Self-hosted, MIT licensed, with 40-plus agent profiles and 120 automation playbooks.
Self-hosted budgeting app that stores data as plain text files. Import from any bank, multi-currency support, desktop apps for macOS/Windows/Linux, and a browser version. No subscriptions.
Kolosal AI is an open-source C++ desktop app for running LLMs offline on any AVX2 CPU or AMD/NVIDIA GPU. ~20MB compiled, Apache-2.0 licensed.
Julie is an open-source desktop AI overlay for macOS and Windows that reads your screen, responds via voice or text, and runs browser and computer automation agents using Groq-powered LLMs.
Sx 2.0 turns any shared folder into a skill server for AI agents. No server, no git, no account needed - just point Dropbox at your team vault and share skills instantly.
Open-source context retrieval layer connecting apps, databases, and documents to AI agents via unified search, SDKs, and MCP — 50+ integrations, self-hostable.
Build internal tools and dashboards with drag-and-drop components. Open-source React library from the makers of Material UI, with a self-hosted Studio option.
Search for open source alternatives to any proprietary tool. Browse by category, compare features, and discover self-hostable options for popular commercial software.
Open-source fork of Snowplow under Apache 2.0, fully compatible with existing Snowplow, Segment, and Amplitude SDKs. Self-host your event pipeline.
Talanoa rethinks desktop email with a people-first inbox that groups messages by sender, built-in Kanban task board, and 100% local storage. Free tier available.
Lark is an open-source realtime database written in Rust that syncs a JSON tree across clients, with drop-in Firebase SDK compatibility and optional hosted cloud.
Publish authoritative domain identity as open JSON. The AI Domain Data Standard gives AI systems and automated agents a canonical, self-hosted source of truth about any domain — no SaaS required.
Pretzel adds inline AI completions, a chat sidebar, and one-click model switching to Jupyter. Drop-in replacement with zero config.
A free, open-source macOS utility that saves your AI prompts and launches them anywhere with a hotkey or keyword — 701KB native app, no Electron.
Open Terminal is an open-source financial research tool that gives individual investors SEC filings, stock charts, AI analysis, and SQL exploration in a Bloomberg-style web interface.
Aethene gives AI agents persistent, searchable memory. Store content, extract atomic memories, search semantically, and recall context across conversations with full MIT licensing.
Feature flags pile up in any growing codebase. FlagShark is a free MIT-licensed GitHub Action + CLI that scans 13 languages and detects stale flags using git age and usage — no config required.
Vizzly captures screenshots from real tests, compares them to approved baselines, and gives coding agents review data — diffs, comments, approvals — they can act on.
Roxlit is an open-source launcher that connects Claude Code, Cursor, and Windsurf to Roblox Studio via Rojo and an MCP server, with Luau context packs for accurate game code generation.
An open-source visual workflow editor built on Cloudflare Workers, D1, R2, KV, and AI. Drag-and-drop workflow creation with AI-powered nodes, serverless execution, and MIT licensing.
Papermark is an open-source document-sharing platform with real-time analytics, custom domains, and self-hosting. Built on Next.js and PostgreSQL.
Open-source tool that wraps ComfyUI workflows in clean web apps with input editors, user management, and serverless deployment – no UI code required.
Algora connects companies with open source engineers through bounties and paid trial projects. Self-hostable or use the hosted platform — GitHub app, Stripe payments, and AGPL-3.0 code.
Yarn Spinner is an open-source dialogue system for game developers. Try writing and running branching conversations right in your browser.
Open-source policy management for Linux desktops. Central server pushes Firefox, Chrome, and KDE policies to enrolled endpoints over encrypted gRPC in real time.
Deploy MCP servers from GitHub to HTTP endpoints in 30 seconds. Open source AGPL-3.0, works with n8n, Dify, Voiceflow, and Langflow.
cMCP is an open-source gateway that enforces MCP tool-call policy inside a Trusted Execution Environment, with signed TRACE claims for auditability.
Native Rust single-binary web scraper outputting clean Markdown and structured JSON. Firecrawl-compatible API, built-in MCP server, V8-based SPA hydration — no headless Chrome fleet.
Altimate Code is an open-source AI harness for data engineering with 100+ tools for SQL analysis, dbt, FinOps, and 10+ cloud warehouses. MIT licensed.
Hiver is an open-source runtime for AI agents that runs them in fast, isolated sandboxes with a full replayable timeline of every action — browser, file, network, and tool call.
Hot Dev is an open-source platform for building backend workflows—events, schedules, AI agents, and MCP tools—with a custom language, local dev runtime, and one-command deploys.
Upstreet is an open-source framework for building and deploying AI agents using React components. The usdk npm package (v0.0.110) provides a TypeScript-first SDK with pnpm installation.
Open-source TypeScript framework for building production AI agents with built-in memory, MCP support, guardrails, RAG, voice, and a full observability console.
open-context imports your ChatGPT history, analyzes your communication style via local Ollama AI, and gives Claude persistent memory through an MCP server. Open-source, MIT licensed.
An open-source sovereign platform for file storage, sharing, synchronization, and team collaboration. Deploy on your own infrastructure with full data ownership.
Mathesar gives non-technical users a spreadsheet-like interface to view, edit, query, and collaborate on Postgres data without writing SQL. Self-hosted, open source, GPLv3.
Parseable Prism is an open source observability platform that unifies logs, metrics, traces and events in a single Rust-built data lake. This guide covers setup, key features and how it compares to the ELK stack and Grafana.
Let's Seal is an open standard and free tool for proving any file is real, unaltered, and sealed. Supports PDF, images, email, XML, and any file. Self-hosted option available.
Cabot is an open-source, self-hosted infrastructure monitoring platform with Graphite support, HTTP checks, Jenkins integration, and Docker deploy in minutes.
OpenHub by nife.io lets you launch Nginx, Metabase, n8n, Uptime Kuma and 50+ open-source tools with a single click. No Docker, no server config, no DevOps required.
Debug, test, and evaluate any MCP server locally with MCPJam — an open source inspector with OAuth tracing, LLM chat, and native GitHub Actions CI/CD.
Open-source platform combining LLM gateway, observability, evaluation, and optimization. Sub-ms latency, unified API for 20+ providers. Apache 2.0.
Unified code quality and security scanner for AI-generated code. Linting, type checking, SAST, SCA, tests, coverage — in one CLI command.
A lightweight, open-source web analytics platform. Self-host with Docker, GDPR compliant, cookie-free, and live in 30 seconds.
UpTrain is an Apache 2.0 open-source platform that runs 20+ pre-built LLM evaluation checks, performs root cause analysis on failures, and self-hosts entirely on your infrastructure.
SSOReady is an open source developer tool that makes adding SAML enterprise SSO and SCIM directory sync as simple as two lines of code.
Free open-source tool to extract logos, colors, and brand assets from any URL using an API, npm package, or AI agent skill.
A privacy-first, open-source dictation app for Linux. Runs locally with whisper.cpp, VOSK, or OpenAI Whisper. GPU-accelerated via Vulkan, works on X11 and Wayland.
AgentPort lets you connect AI agents to Stripe, GitHub, Gmail and 50+ services with approval policies, full audit logs, and zero credential exposure.
Tork intercepts every AI agent call, strips PII, enforces policies, and issues tamper-evident compliance receipts. 136 framework adapters, open-source SDKs, and a managed MCP governance server.
Max connects to data sources and syncs them into portable local storage, so AI agents query locally without API rate limits, latency, or per-query costs.
XPack is the first open-source MCP marketplace. Deploy your own MCP store, monetize APIs as MCP services, and start selling in under 10 minutes with one shell command.
SQL-first business intelligence that engineers actually want to use. Define sources, models, and charts as code in VSCode, then deploy back to your database.
Ciaren is an open-core visual workflow builder for local data pipelines and lightweight ML. Drag nodes, preview transformations, export clean pandas or Polars code you actually own.
Open-source memory graph for AI agents that indexes GitHub, Linear, Slack, and conversations into a temporal knowledge graph. 88.24% SOTA on LoCoMo benchmark, self-hosted, AGPL 3.0.
GPTRouter is an open-source API gateway that routes requests across OpenAI, Anthropic, Azure, and other LLMs with automatic fallbacks.
DataParade CLI scans your codebase and outputs a JSON dataflow graph showing how data moves between files — useful for privacy reviews, security audits, and compliance documentation.
Bike4Mind is an open-core AI workspace combining notebooks, autonomous agents, and a RAG knowledge engine across any model—OpenAI, Anthropic, Google, xAI, or local Ollama/vLLM.
Xorq turns ephemeral pandas scripts and ML pipelines into durable, composable, executable catalog entries any AI agent can discover and reuse.
Colibri is a pure-C MoE runtime that streams 744B-parameter GLM-5.2 from disk to consumer hardware. Zero Python, zero GPU required — ~25 GB RAM and you are running a frontier model locally.
Vrite is an open-source collaborative developer content platform for creating product docs, technical blogs, and knowledge bases with WYSIWYG editing, AI search, and extensions.
Open-source browser automation that uses vision LLMs to navigate websites, fill forms, and complete workflows without brittle XPath selectors.
Persistent memory across Claude Code, Cursor, and ChatGPT. Mengram stores facts, episodes, and procedures that survive every /clear.
Open-source AI localization CLI that auto-translates JSON, MDX, iOS, Android files via CI/CD pipeline. Supports brand voice tuning and 16+ formats.
HawkDoc is a high-performance, open-source document editor built on Meta's Lexical framework with template variables, slash commands, PDF export, and self-hosted deployment.
Vett is an open-source CLI and hosted platform that scans AI agent skills for malicious code, signs verified ones, and runs each agent in an isolated Firecracker microVM.
OmniDeck is a zero-latency developer tool suite—JSON formatter, QR generator, hash tools, SEO auditor, image compressor, and more—running entirely in vanilla JavaScript inside your browser.
Browserable is an open-source library that gives AI agents reliable browser control — navigation, form fills, clicks, and data extraction — scoring 90.4% on the Web Voyager benchmark.
Self-hosted Git analytics dashboard for engineering teams: tracks contributions, subsystem ownership, and code evolution across multiple repos via Docker.
ShellTalk converts natural English into Bash commands using semantic template matching—no LLM required. Runs on macOS, Linux, and WebAssembly.
Waffy is a free, open-source Chrome extension that automates web tasks using AI. Tell it what to do in plain English and it clicks, types, and scrolls through workflows for you. No backend, no subscription. Uses your own API keys.
Launched Badges is an open-source React component library for showcasing product launches across Hacker News, Reddit, X, Lovable, and more.
Open-source CLI that treats your dev setup like infrastructure—define it in JSONC, plan changes, and apply them across Mac and Linux.
Run autonomous penetration tests with local LLMs. LLMtary chains recon, exploitation, and reporting—Ollama, Claude, GPT-4, and Gemini supported.
LANCommander lets you self-host a digital game library and distribute games over your local network with no internet dependency. Docker-ready, MIT licensed, 434 stars on GitHub.
An open-source, privacy-friendly online string toolkit with 50+ converters and formatters for developers. No cookies, strict CSP, and runs entirely in the browser.
SwarmZero is an open-source Python SDK for building, orchestrating, and monetizing AI agent swarms. Supports OpenAI, Anthropic, Mistral, Gemini, Ollama, and more.
Skyvern is an open-source AI agent that automates browser workflows using vision LLMs and Playwright, replacing brittle XPath selectors with adaptive visual navigation.
OpenGAP defines AI agents as a folder of YAML and Markdown files. Clone a repo, run opengap, and any AI framework becomes your runtime.
MIT-licensed visualization language from Microsoft that compiles simple chart specs into Vega-Lite, ECharts, and Chart.js, with an MCP server for AI agents.
MarinaBox provides secure, isolated browser and desktop environments for AI agents. Docker-based, Python SDK included, works with Playwright and Selenium.
PycoClaw runs a full OpenClaw-class conversational AI agent on an ESP32-S3 microcontroller for under $5 in hardware. Features MicroPython, LVGL, hybrid memory, and OTA updates.
Hercules is an open-source testing agent that turns plain-English Gherkin scenarios into automated UI, API, security, and visual tests. No code required — just describe what you want.
Trifle is an open-source time-series analytics library that stores aggregated counters instead of raw events, working with Postgres, Redis, MongoDB, MySQL, or SQLite you already have.
Open source AI automation platform with 280+ MCP tools, self-hosted deployment, and a visual flow builder — alternative to Zapier with AI-native features.
Open-source web scraper that outputs clean LLM-ready Markdown with structured JSON, MCP server, and Docker support. 74K GitHub stars.
Open-source tool that uses LLMs to extract JSON from PDFs, DOCX, and images. Custom schemas, local model support, and self-hosted.
Driftcop detects drift, injection attacks, and CVEs in MCP servers with SigStore tracking — the SAST tool your AI agents need.
A curated collection of open-source, client-side developer utilities covering MCP, ZKP, and AI — browser-based, no install required.
AgentLens is an open-source, self-hosted observability platform for AI agents. It records every tool call, lets you replay failures step-by-step, and uses AI to diagnose root causes.
OMS defines the .mg container format for immutable, content-addressed AI agent memory. Open standard with SHA-256 hashing, COSE signing, and three specs covering storage, querying, and output.
CADAM transforms natural language and images into 3D CAD models directly in the browser using OpenSCAD WASM. Free, open-source, no install required.
Kurvengefahr is a browser-based pen plotter CAM tool with handwriting synthesis, Logo interpreter, SVG/DXF import, and live USB plotting. Free and open source.
Dev-first, open-source issue tracker with Kanban views, Slack integration, and workflow automation. Self-host or use cloud.
TypeWhisper is an open-source, local-first speech-to-text app for macOS and Windows with app-aware workflows, automatic correction learning, and free core dictation under GPLv3.
Jailer is an open-source database tool for subsetting, relational browsing, and AI-assisted SQL generation across 14+ DBs.
Cicada is a free, open-source self-hosted CI/CD platform that mirrors GitHub Actions syntax. Spin up your own runner on any server, no cloud lock-in.
PenPeeper is a free, open-source pentesting engagement manager that combines AI-powered vulnerability analysis with Nmap, Nikto, and FFUF scanning, CVE lookup, and professional report generation.
Open-source toolkit to test, validate, and evaluate CV models. Find label errors, surface weak data, and prioritize labeling with 458 GitHub stars.
BrowserOS is an open-source Chromium fork with a built-in AI agent. BrowserClaw gives your AI agents control of a real browser signed into your accounts. AGPL-3.0, 12K+ stars.
Self-hostable web analytics that needs no cookies, is GDPR/CCPA ready, and tracks Core Web Vitals alongside sessions, funnels, and custom events.
Free browser-based document comparison tool. Compare TXT, PDF, DOCX, JSON, and Markdown with line, word, and character-level diffs. Privacy-first: files never leave your device.
Rac-delta is a universal differential protocol for efficiently syncing and distributing builds across storage backends. MIT-licensed, with Rust and Node.js SDKs.
Open-source tool to document domains, services, events, and schemas for event-driven systems. Ships with AI chat, schema explorer, and 15+ generators.
Cq is an open source framework from Mozilla.ai that lets AI coding agents share what they learn so others avoid repeating the same mistakes.
1Code is an open-source coding agent client that runs Claude Code and Codex with a visual UI, git worktree isolation, and background cloud sandboxes.
An open-source architecture graph tool that statically analyzes multiple repositories to map every service, API, queue, and database. Supports MCP for AI agents.
Stop AI code hallucinations. GitMCP creates an MCP server for any public GitHub repo, giving AI coding tools like Cursor and Claude accurate, up-to-date documentation and code.
Vizzu is a free, open-source JavaScript library for building animated data visualizations and data stories. It renders charts as HTML5 canvas using C++ compiled to WebAssembly, with no runtime dependencies.
Quary is a SQL-first open-source BI tool for engineers. Connect to PostgreSQL, BigQuery, Snowflake, and more, write SQL models, and build charts — all in VSCode.
Open-source MCP server providing persistent semantic memory for AI agents. Supports Postgres + pgvector, OAuth 2.0, and 20 tools for storage, retrieval, and knowledge graphs.
CodeRev is a free, open-source tool that replaces leetcode with real code review sessions for technical interviews. Self-host or use the hosted version.
Open-source desktop API client built with Tauri and Rust. Works fully offline, syncs workspaces via plain-file Git, and ships a CLI for AI agents.
Runtime uses predefined DOM attributes as skill gateways to automate browsers, sidestepping expensive LLM reasoning at execution time.
Build and run agentic workflows across channels with YAML, MCP tools, memory and RAG. Step-by-step setup using the Hexabot CLI.
Port42 is a native macOS app where multiple AI companions collaborate with humans in the same conversation, build real-time ports, and run CLI agents inline. Open source and end-to-end encrypted.
Cognee gives AI agents persistent long-term memory using a knowledge graph. Self-hosted, Apache-2.0, and works with Python 3.10+.
WonderTwin gives your AI agents local, behavioral clones of third-party APIs — Stripe, Twilio, Resend, and more — that run offline and mirror production failures. Open-source MIT.
Open-source tool that turns long podcast episodes into short clips with face tracking, burned-in captions, and 26 MCP tools for agent-driven workflows.
Open-source gateway that stores API credentials once and injects them transparently for AI agents. Never give agents your real keys.
Find the best MCP servers for Claude and AI workflows. MCP Review is a free, open-source directory with community-driven ratings and reviews, MIT licensed.
AgentWatch is an open-source proxy firewall that sits between AI agents and LLM providers, blocking requests that would blow past your budget. Two lines of code, 10 providers, sub-10ms latency.
Cybara is an open-source, self-hosted AI agent OS built on Bun with browser automation, MCP support, multi-channel messaging adapters, and encrypted wallet controls.
Qurt is a free, open-source desktop AI coworker for macOS and Windows that researches the web, writes drafts, runs commands, and reads your files. BYOK with no subscription.
Julie is an open-source desktop AI that sees your screen, responds by voice or text, and autonomously controls your browser or computer via Puppeteer and JXA.
SUTRA.team runs 15 AI specialists as a deliberating council, using the Sammā Suit 8-layer security framework to synthesize decisions for autonomous agent teams.
Open-source Go CLI that deduplicates, encrypts with AES-256-GCM, and backs up Google Drive, OneDrive, and local directories to S3, R2, B2, or local storage.
Build real-time voice and multimodal AI agents with Pipecat, the open-source Python framework from Daily.co. Supports 50+ STT, LLM, and TTS services.
Run GGUF models on your own hardware with a native .NET inference engine. CLI, web UI, and Ollama/OpenAI-compatible APIs on Windows, macOS, Linux.
Bodhi App is a free, open-source desktop app that runs open-source LLMs locally on macOS, Windows, or Linux with an OpenAI-compatible API and built-in Chat UI.
Run the full Brendan Gregg-style Linux diagnostics playbook in 6 seconds. Open-source Rust tool uses Nix for zero-install portability, optional LLM summaries.
GitHits is an open-source CLI and MCP server that gives AI coding agents version-aware indexed access to public open-source code, package docs, and changelogs.
Usagi is a free, open source 2D game engine for pixel art games in Lua. It features live code and asset reload, one-command cross-platform export, and a minimal fixed API for rapid prototyping.
Pochi is an open-source VS Code extension that turns any LLM into a coding agent. Run parallel agents in isolated Git worktrees, read/write files, execute commands, and automate refactoring tasks.
Tambo is an open-source React toolkit that lets AI agents render dynamic UI components — charts, forms, maps — streamed as props in real time. 11K GitHub stars, MIT licensed.
Turn any public GitHub repository into an interactive Mermaid.js architecture diagram. Paste a URL, get a navigable map of the codebase in seconds.
A full-featured desktop AI assistant that runs locally, supports multi-user workspaces, and connects to any LLM provider. MIT licensed, with built-in agents and document chat.
Cordon is an open-source security gateway that sits between AI agents and MCP servers, enforcing policy-based access control with human-in-the-loop approvals.
Free open-source toolkit that scores your site 0-100 on AI visibility, checks whether ChatGPT and Perplexity cite you, and generates actionable fixes. CLI, Python, MCP.
Turn any database into an interactive ER diagram with a single SQL query. ChartDB Agent adds AI-powered DDL migration and multi-dialect export to the open-source database diagramming tool.
Stoneforge is an open-source TypeScript platform for orchestrating multiple AI coding agents in parallel. It features a web dashboard, git worktree isolation, and automated merge review.
WikiTimeline converts any Wikipedia article into a beautiful interactive timeline using Google Gemini AI — compare historical figures, events, and discover connections between them.
WhoDB is a fast, lightweight database GUI (under 100MB, starts in under 1 second) that also ships a CLI doubling as an MCP server, letting AI agents query databases directly.
Self-host live chat, product tours, tickets, and AI agents with Opencom. AGPLv3, no vendor lock-in, Convex backend.
High-performance open-source rules engine for Trust & Safety teams. Processes hundreds of millions of events daily at Discord, Bluesky, and Matrix. Self-hosted, Apache-2.0 licensed.
Spectrum is an open-source multi-channel agent framework that routes AI agents through iMessage, Telegram, WhatsApp, Slack, Discord and other messaging platforms—no web chat required.
DevHunt is an open-source launch platform for developer tools where submissions are GitHub pull requests and voting is GitHub-login-gated. Built on Next.js and Supabase.
Aegize is a runtime governance layer that sits between autonomous AI agents and the tools they control — adding identity, policy enforcement, permissions, and audit logging.
Lightweight open-source feature flag solution with multi-language SDK support via OpenFeature relay proxy. Supports A/B testing, progressive rollouts, and cloud-native storage backends.
GolemUI is an open-source declarative form engine that renders the same JSON schema across five frameworks. Define forms once in schema-validated JSON, get consistent validation, i18n, and accessibility everywhere.
A lightweight, browser-based database GUI for SQLite, PostgreSQL, MySQL, Turso, and Cloudflare D1 with query editor, data editor, and schema tooling.
Nimble is an MCP server that lazy loads tools on demand instead of flooding your context window with every tool schema. Over 99% token savings on initial MCP load.
AgentGram is an open-source, self-hostable social network built for AI agents. Features Ed25519 cryptographic auth, semantic search, Python/TypeScript SDKs, MCP server, MIT license.
Signet uses Ed25519 and post-quantum ML-DSA-44 ephemeral certificates to replace bearer tokens with phishing-resistant cryptographic proof-of-possession for AI coding agents.
Open-source observability for MCP servers. TypeScript and Python SDKs plus a CLI, with real-time tracing, per-tool latency breakdown, and alerting.
Run Claude Code, Cursor CLI, Codex, and Gemini CLI in persistent cloud containers accessible from any device. Open source AGPL-3, 12.5k GitHub stars.
AMP is an open-source memory server for AI agents with MCP native support, SQLite storage, D3.js visualization, and a 3-layer brain architecture.
An open-source MCP server that gives AI agents 18 tools for querying FIFA World Cup 2026 data – matches, teams, venues, standings, and more – with no API keys required.
Paisa is an open-source personal finance manager that runs locally, syncs with Ledger CLI flat files, and visualizes investments, budgets, and goals via a clean web UI.
Webpages average 50K+ tokens. BotBrowser strips the bloat and returns clean markdown, saving 90–95% of tokens for LLM agents. MIT licensed.
Cua (YC X25) packages the sandbox, SDK, and benchmarks you need to build, evaluate, and deploy AI agents that control full desktops — macOS, Linux, Windows.
Vessel is an open-source browser built from the ground up for AI agents. It provides durable sessions, MCP control, and BYOK for autonomous web browsing on Linux, Mac, and Windows.
Polos is an open-source runtime for AI agents that handles sandboxed execution, durable workflows, human-in-the-loop approvals, and built-in triggers. Write agents in Python or TypeScript and ship to production.
Webstudio is an open source visual website builder that empowers developers and designers to build fast sites using modern web standards. AGPL-3.0 licensed, self-host or use the cloud.
Heimdall tracks 27,000+ objects in Earth orbit with a live 3D visualizer pulling from Space-Track.org and planet4589.org. Open beta, no account needed.
Open-source incremental data framework that keeps AI agents grounded in fresh, structured context. Only the delta is reprocessed — no stale batches, zero re-processing.
Lotus is an open-source billing and pricing engine for SaaS companies that need usage-based plans, experimentation tools, and full infrastructure control.
A community-driven directory of handpicked indie-friendly software alternatives. Discover self-hosted, open-source, and budget-friendly replacements for overpriced tools.
Klavis AI provides MCP integration platforms that let AI agents use 100+ prebuilt tools reliably at any scale, with self-hosting, Python and TypeScript SDKs, and REST API. Apache-2.0 licensed.
OpenAgents Workspace is an open-source platform where AI coding agents share threads, files, and a live browser — letting you coordinate multi-agent workflows from a single URL.
Tabularis is a free, open-source desktop SQL client for PostgreSQL, MySQL, SQLite, DuckDB, ClickHouse, Redis and more, with a built-in MCP server so AI coding tools can query your databases directly.
Policy engine, EDR, and signed audit chain in one binary for securing AI agent tool calls, file access, and network egress.
API 200 is an open-source API gateway that simplifies third-party API integrations. Import endpoints, set up caching, retries, and mocks, then access everything via one URL. Supports MCP servers and runs on your own infrastructure.
HyprMCP Jetski adds prompt analytics, auto-generated setup instructions, and OAuth2 auth to any MCP server with zero code changes. Open source, Go-based, Kubernetes-ready.
Serverless AI search platform by Chroma. Supports vector, full-text, regex, and metadata search on object storage. 28k GitHub stars, Apache 2.0, SOC 2 Type II.
shot-scraper, Simon Willison's screenshot tool, just gained a video feature. Define WebM demos in YAML, automate setup steps, and record smooth browser walkthroughs automatically.
Open-source framework for building durable AI workflows with human approval, structured outputs, and versioned execution. Works with Node.js and Go.
Sambee is an open-source file manager that brings SMB shares and local drives into the browser with fast previews, a Markdown editor, and desktop app integration.
RapidFire AI is an open-source experiment execution framework for LLM customization — RAG, fine-tuning, and post-training — delivering 16–24x throughput over sequential pipelines.
SmoothCSV is a cross-platform CSV editor that handles million-row files with SQL query support, dark mode, and Excel import/export. 1.2k GitHub stars.
DeepNotes is an open-source infinite canvas tool with end-to-end encryption, deep page nesting, and realtime collaboration — self-hostable via Docker.
Record browser workflows or describe them in plain English. Tasker is a free, MIT-licensed desktop agent that uses AI to execute multi-step web tasks. Supports Claude, GPT-4o, and Gemini.
Linen syncs your Slack and Discord channels to a search-friendly site so your community content is discoverable on Google.
Paste your GitHub repo URL and get clean, structured release notes instantly. No sign-up, no config, no cost.
Open-source MCP server that scores AI agent output quality, catches safety failures like PII leaks, and enforces cost budgets across traces.
Open-source API client with ~60 MB RAM, sub-2s startup, and git-friendly YAML storage. Supports REST, GraphQL, gRPC, WebSocket, and SSE. A Postman alternative that respects your privacy and your workflow.
Build and deploy AI agent workflows across chat, voice, and API channels with this open-source Node.js framework featuring YAML workflows, MCP support, and RAG.
Fusio is an open-source API management platform that turns your backend into scalable REST APIs with built-in developer portals, SDK generation, and native MCP support.
AgentArmor is an open-source Python framework providing 8-layer defense-in-depth security for AI agents, from input ingestion to identity management.
Set up Lantern, the open-source PostgreSQL extension for vector storage and HNSW search. 888 GitHub stars, YC W24, AGPL-3.0 licensed.
kit is an open-source toolkit for codebase mapping, symbol extraction, and code search. Build LLM-powered developer tools, agents, and workflows with Python, CLI, or MCP.
Manage feature flags, A/B experiments, and remote config declaratively using Git. Featurevisor builds static datafiles for your CDN, with SDKs for JS, Python, Go, and more.
OpenPanel is an open-source analytics platform with funnels, session replay, A/B testing, and an MCP server for querying data with AI tools.
Pluely is a privacy-first, open-source AI desktop assistant that stays hidden during meetings and video calls. Built with Tauri and Rust, only 10MB.
Rigour is an open-source governance layer for AI coding agents that scans for secrets, enforces code quality, and controls agent memory in real time.
Open-source web scraping API that converts any URL into clean Markdown or structured data for AI agents. Supports search, scrape, crawl, and map endpoints with LLM-ready output.
Skip is an open-source tool that compiles a Swift and SwiftUI codebase into native Jetpack Compose for Android, producing genuinely native apps on both platforms from one code base.
Infisical is an open-source platform for syncing secrets, certs, and environment variables across your team and infrastructure. Self-host or use cloud.
Build and run AI agentic workflows across channels with YAML definitions, MCP integration, memory support, and multi-channel continuity in one Node.js runtime.
APIRadar monitors millions of public GitHub repositories in real time, surfacing exposed API keys for OpenAI, Claude, Gemini and other providers before they get weaponized.
Rac-delta is an open delta-patching protocol and dual SDK (Rust and Node.js) for efficiently syncing app or game builds. Supports any storage backend, Blake3 hashing, and streaming. MIT licensed.
Cua provides sandboxes, SDKs, and benchmarks for building AI agents that control full desktops on macOS, Linux, and Windows. MIT-licensed, 18K stars.
Set up Libredesk, an open-source omnichannel customer support desk with live chat, email, and automation in a single binary on your VPS.
Osprey is a high-performance safety rules engine from Discord and ROOST that processes 50M+ events daily, now free and open source under Apache 2.
Open source platform for exploring, explaining, and evaluating neural network features in models like Gemma and Llama — with a hosted tier for teams.
Open-source AI support widget for React and Next.js with headless components, real-time messaging, and code-first customization for developers.
A practical guide to Nanobot, the open-source standalone MCP host that lets you build dedicated AI agents from any MCP server with a YAML config.
Open source rules engine for real-time trust and safety event processing at scale, originally built at Discord for spam and abuse detection.
Gepetto is an open-source CLI tool that uses natural language tasks and a headless browser to automate QA testing, liveness checks, and data scraping. MIT licensed.
MIT-licensed self-hostable platform for building and deploying integrations and data pipelines. Docker-based, visual builder, batch scheduling, 493 GitHub stars.
Self-host GrowthBook for feature flags, A/B experiments, and product analytics. Warehouse-native, 24 SDKs, MIT-licensed. Full guide.
Open-source platform for building multi-task AI agents with a no-code interface, PostgreSQL backend, and support for OpenAI, Anthropic, and Gemini models
OpenMolt is a Node.js framework for building AI agents with a self-directed reasoning loop, 30+ built-in integrations, and scope-gated security.
ArtistAssistApp is a free, open-source PWA that helps traditional artists mix accurate colors from photos, analyze tonal values, create grid drawings, and generate color charts. Runs entirely in the browser with no sign-up.
Inconvo is an open-source platform for building data agents that answer natural-language questions over production databases with safe query execution, permissions, and structured outputs.
Eliezer is a ~6K-line TypeScript AI agent that runs locally, edits its own code, and works with any OpenAI-compatible LLM. MIT-licensed.
Open-source tool that auto-corrects dead-lettered messages in Azure Service Bus, AWS SQS, and RabbitMQ using AI. Simple CLI setup, no coding required.
Lama2 describes REST APIs as plain-text .l2 files you commit to git. No subscriptions, no locked collections — just the CLI, your editor, and version control.
Step CI is an open-source API testing framework with YAML, JSON and JavaScript workflows. Test REST, GraphQL, gRPC, SOAP and tRPC APIs in CI/CD.
Kumbukum is an AGPL-3.0 open-source memory infrastructure that gives AI tools persistent, shared context across sessions, projects, and clients.
Open source CLI that gives AI coding agents like Cursor and Claude Code persistent memory of your real codebases and documentation.
Self-hostable tools for testing prompts, LLMs, and vector databases from code or a local Streamlit playground. Apache-2.0 licensed.
Accent is an open-source developer-oriented translation tool. Deploy with Docker, track full history, collaborate via GraphQL API. MIT licensed.
Browser Use is an open-source AI agent framework with 99K GitHub stars that controls real browsers via Python. This guide covers setup with Cursor and Claude Code, CLI usage, and when to pick open-source vs cloud.
Kvlar is an open-source Rust-based policy engine that intercepts AI agent tool calls via MCP, evaluating every action against YAML policies before execution. Fail-closed security with audit logging.
Verified SSH public key directory linking emails to keys. Zero-install OAuth alternative for CLI tools. Privacy-focused, free public service.
Gitdot is a new open-source Git platform written in Rust, featuring stacked diffs for code review and a focus on quality over AI features. Apache-2.0 licensed.
Open-source platform for extracting structured data from unstructured documents using LLMs. Deploy as API or ETL pipeline.
Open-source Agent Alignment Protocol (AAP) makes AI agent behavior observable with Ed25519-signed decision traces, EU AI Act compliance, and cross-provider verification.
Open-source browser-based ERD editor with 37K+ stars. Design schemas, export SQL for PostgreSQL, MySQL, SQLite, and more. No account required.
Wealthfolio is a free, open-source portfolio tracker that keeps your financial data on your device. Track investments, net worth, and performance across desktop, iOS, and self-hosted Docker.
Open-source, self-hosted knowledge graph with semantic search, wiki synthesis, and MCP integration. Turn markdown notes into connected ideas.
Self-host Automatisch, the open source Zapier alternative. Build workflow automation with 100+ integrations, no code required, and full data ownership.
Open-source workspace suite with mail, calendar, contacts, and drive. Self-host in 15 minutes with Docker. AGPL-3.0 licensed.
BrowserOS is an open-source Chromium fork with built-in AI agents, MCP server, scheduled tasks, and 40+ app integrations. Privacy-first, BYOK, runs local models via Ollama.
Build and deploy durable AI agent workflows in TypeScript. Open-source Zapier alternative with retries, queues, observability, and self-hosting.
Open source vibe coding tool by Replay.io that uses time-travel recordings and AI to fix bugs that stump LLMs. Free, built on Bolt.DIY.
Adam is an AI CAD agent that helps mechanical engineers build hardware faster. Open source text-to-CAD web app with parametric controls and multi-format export.
Self-hosted member management software built on Drupal 8. Manage members, send emails, archive documents with this open-source tool.
GrapesJS is a free, open source web builder framework for creating HTML templates, newsletters, and landing pages with drag-and-drop editing. BSD-3-Clause licensed, 25k+ GitHub stars.
Lukan is an open-source, sandboxed AI agent workstation that runs fully local. Built in Rust with 60ms cold start, it handles code, email, calendar, and automation.
Open-source multi-cloud security and compliance verification tool. Monitors AWS, Azure, GCP, and OCI with instant alerting and low infrastructure overhead.
Gryt is an open-source, self-hosted Discord alternative with crystal-clear voice, screen sharing, and text chat powered by WebRTC.
Skyvern is an open-source AI agent that automates complex browser-based workflows using LLMs, supporting multi-step tasks, form filling, and API integrations.
Ship your SaaS in days, not months. Open SaaS v2 is a free, open-source boilerplate with authentication, payments, emails, and AI integrations ready to go.
Monitor AI agent costs, logs, and kill runaway bots with this open-source dashboard. Free, open source, self-hosted, takes 2 minutes to set up with Node.js.
Anytype is an open-source, self-hosted operating environment for individuals and teams. It replaces scattered apps with a local-first, encrypted workspace.
Sync-in is a secure, self-hosted platform for file storage, sharing, synchronization, and real-time collaboration with full data ownership and WebDAV support.
Budibase Agents is an open source internal tools platform with AI agents that automate workflows without code. Self-hosted, visual builder, connects to your existing data sources.
Familiar is an open-source local AI agent that runs entirely on your Mac or iOS device — no cloud, no data leaving your hardware. Build and orchestrate agent workflows privately.
Quary is a self-hosted, open-source BI platform that lets engineers query databases and build dashboards directly in the browser — no BI team, no enterprise license, no data movement required.
Obot is an open-source MCP gateway that manages MCP servers, Skills, access policies, audit logs, and integrations for AI agents. Deploy via Docker, connect to any MCP client.
Flexprice is an open source billing platform built for AI and agentic companies. Meter API calls, manage credits, and automate invoices with usage-based and credit-based pricing.
GitAgent turns any git repo into a portable AI agent definition. Framework-agnostic, version-controlled, with Claude Code, OpenAI, and CrewAI adapters.
Dafthunk is an MIT-licensed visual workflow editor that runs on Cloudflare Workers, with built-in AI nodes for image gen, summarization, and TTS.
DEEIX Chat combines model routing, multimodal chat, files, OAuth, billing, and admin controls in one open-source AI workspace deployable by Docker.
OpenSeek is an open-source TUI coding agent built on Bun with MCP, LSP diagnostics, Plan and YOLO modes, and support for 28 model providers plus local Ollama.
Outstatic is an open-source CMS that stores content as Markdown and MDX files in your GitHub repo. No database, no external backend. Self-host with Next.js or use the hosted dashboard.
Debug, test, and inspect Model Context Protocol servers with this open-source visual workbench. Real-time JSON-RPC inspection, tool testing, and OAuth support.
Open-source SQL workbench with end-to-end encrypted credentials, access requests, and audit logs. Free hosted or self-hosted deployment for secure database access.
ContextFort is an open-source Chrome extension that gives security teams visibility and granular controls over AI browser agents like Claude in Chrome.
Build and deploy integration pipelines and data workflows with cptn.io, a self-hostable MIT-licensed platform with event retry, logging, and community apps.
Hexclave is an open-source, self-hostable user infrastructure platform that bundles auth, teams, payments, emails, analytics, and API keys into one modular stack.
Stagewise is an open source agentic IDE (AGPLv3) that ships a coding agent with full tab console/debugger access, supports 25+ models via BYOK, and orchestrates agents across git workflows.
Jido is a 1.7K-star Elixir agent framework on the BEAM. Pure-functional agents, GenServer supervision, MCP, durable workflows, and 1,722 GitHub stars.
Rivet is an open-source desktop IDE from Ironclad for building, debugging, and deploying LLM prompt graphs. Ships with a TypeScript runtime library.
JungleGym is an a16z open-source playground with three web-agent datasets and TreeVoyager DOM parser for benchmarking and training autonomous agents.
InsForge is an open-source agent-native backend that gives coding agents a Postgres database, auth, storage, edge functions, and an AI gateway, driven through a CLI plus skills.
LogClaw is an Apache 2.0 log intelligence platform that ingests logs via OpenTelemetry, runs signal-based anomaly detection, and auto-files Jira tickets through LLMs you control.
Dyad is a free, open-source Electron-based AI app builder that runs locally, supports any model, and exports clean code. Here's how it compares to Lovable, v0, and Bolt.
anarlog is a free, open-source alternative to Granola. Record, transcribe & summarize meetings locally with your own LLM. MIT-licensed, privacy-first, built with Rust + Tauri.
Lume is a free open-source CLI to create macOS and Linux VMs on Apple Silicon. Zero-touch setup, MCP integration, isolated sandboxes for AI agents. Native Virtualization Framework — no emulation.
Port42 is a native Mac app where AI companions build interactive UIs and act on your machine through a single API. They ship 40+ releases in 9 days alongside you.
Continue is an open-source AI coding assistant for VS Code and JetBrains that lets developers build, share, and run custom assistants with any LLM and MCP server.
Infisical is an open-source identity security platform for developers, machines, and AI agents. Manage secrets, certificates, and access with self-hosted or cloud deployment.
Skip transpiles Swift/SwiftUI into native Android apps via Kotlin, letting you ship to iOS and Android from a single Swift codebase with no cross-platform runtime penalty.
Chonkie is a lightweight, fast RAG chunking library for Python and TypeScript. Up to 33x faster than LangChain, supports semantic, token, sentence, and code chunking.
Convoy is an open-source webhooks service that makes it easy to publish, deliver, and manage webhooks like Stripe and Twilio. Deploy as a container.
Better Auth is a TypeScript authentication framework that puts developers in full control of their auth stack, running on your own database without third-party.
HyperDX is an open source observability platform that unifies session replays, logs, traces, metrics, and errors in one place — at a fraction of the cost of.
RecipeUI is an open-source API client that uses TypeScript to statically type and autocomplete HTTP requests, catching errors before runtime.
Strata is an open-source MCP server that reveals AI tools step-by-step as an agent works, instead of overwhelming it with thousands of tools at once.
GrowthBook is an open-source experimentation platform combining feature flags, A/B testing, and product analytics. Warehouse-native with CUPED, sequential.
Step CI is an open-source API testing framework that supports REST, GraphQL, gRPC, and SOAP. Define tests in YAML, generate from OpenAPI specs, and run in any.
Cicada replaces GitHub Actions and GitLab CI YAML configs with a custom functional DSL, letting you write pipelines using variables, functions, and shell.
IonRouter is a YC W26 inference API routing open-source and fine-tuned models via an OpenAI-compatible endpoint, built on a C++ runtime optimized for GH200.