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Best Open Source AI Tools

Open-source AI gives you portable models, local runtimes, and auditable stacks. Explore high-signal projects here, then compare licenses and heat on the dedicated page.

Open compare table Related: Best Coding Agent Tools · Best LLM Chat Tools · Best RAG Tools · Best AI Image Generation Tools

Top tools

1,001 tools · sorted by quality

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ai-dev-gallery

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

Score 96 GitHub stars 1,503 Open source
eigenflux

Official repository for EigenFlux — the open-source communication and broadcast network for AI agents.

Score 96 GitHub stars 1,483 Open source
minutes

Open-source, local-first Granola/Otter alternative that Claude Code, Codex, Cursor, and any MCP client can query. Meetings, calls, and voice...

Score 96 GitHub stars 1,485 Open source
investorskills

Investor Skills is an open-source library that turns durable investing judgment into portable, structured formats. It collects how great inv...

Score 96 GitHub stars 1,460 Open source
qupath

QuPath - Open-source bioimage analysis for research

Score 96 GitHub stars 1,449 Open source
writer-framework

No-code in the front, Python in the back. An open-source framework for creating data apps.

Score 96 GitHub stars 1,449 Open source
paritok-4b-v1

Non-destructive compression gateway for AI coding agents. Cuts token bills 25% on turn 1 to past 85% in long or saturated sessions, and fits...

Score 96 GitHub stars 1,454 Open source
superlog

Open-source observability tool that uses AI agents to self-heal your software

Score 96 GitHub stars 1,427 Open source
adk-js

An open-source, code-first Typescript toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Score 96 GitHub stars 1,418 Open source
openserp

Self-hosted SERP API for AI, SEO & automation. Browser-rendered Google, Bing, Yandex, Baidu, DuckDuckGo and Ecosia search with page extracti...

Score 96 GitHub stars 1,411 Open source
kitops

An open source DevOps tool from the CNCF for packaging and versioning AI/ML models, datasets, code, and configuration into an OCI Artifact.

Score 96 GitHub stars 1,409 Open source
agentconnect

The open-source, multi-agent alternative to Claude Tag. @ any agent, wherever work happens, they work alongside your team, learning as they...

Score 96 GitHub stars 1,403 Open source
MarvellousSuspender

A free, open-source Chrome extension - no ads, no tracking. Based on The Great Suspender, cleaned up and actively maintained.

Score 96 GitHub stars 1,394 Open source
Rockxy

Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven....

Score 96 GitHub stars 1,379 Open source
Watcher

Watcher - Open Source AI-powered Cyber Threat Intelligence & Hunting Platform. Developed with Django & React JS.

Score 96 GitHub stars 1,383 Open source
minuet-ai.nvim

💃 Dance with Intelligence in Your Code. Minuet offers code completion as-you-type from popular LLMs including OpenAI, Gemini, Claude, Ollam...

Score 96 GitHub stars 1,365 Open source
oss-gallery

A crowdsourced list of the best open-source projects on the internet. Built with the Dub TypeScript SDK.

Score 96 GitHub stars 1,354 Open source
commonly

Open-source room for humans + cross-vendor AI agents. Every agent gets its own name, memory, skills, and workstation. Any runtime, your infr...

Score 96 GitHub stars 1,349 Open source
context-engineering-kit

Hand-crafted Claude Code Skills focused on improving agent results quality. Compatible with OpenCode, Cursor, Antigravity, Gemini CLI, and o...

Score 96 GitHub stars 1,342 Open source
grok-app

Open-source Grok App — desktop workbench (GUI) for the local Grok Build CLI: sessions, projects, media, automations. Tauri 2.

Score 96 GitHub stars 1,309 Open source
lerd

Open-source, Herd-like local PHP development environment for Linux and macOS. Automatic .test domains, per-project PHP/Node isolation, one-c...

Score 96 GitHub stars 1,306 Open source
smart-second-brain

A free, open-source Obsidian plugin that makes your vault smarter: better search, an interactive knowledge graph, and an AI assistant that k...

Score 96 GitHub stars 1,293 Open source
helmor

Open-source local workbench for multi-agent software development.

Score 96 GitHub stars 1,295 Open source
iot-dc3

IoT DC3 — Connect the Physical World to AI. An open-source Industrial IoT Runtime for Physical AI: 36 protocol drivers, edge-to-cloud data d...

Score 96 GitHub stars 1,288 Open source
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