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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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curie

Open-source, self-hostable delivery platform for Claude Code style agents. Connect Slack today, with more channels next. Run the same bundle...

Score 88 GitHub stars 35 Open source
sno-station

Sno Station — your Claude Code and Codex working as one squad on your own machine. Shared encrypted memory, agent-to-agent messaging (Reach)...

Score 88 GitHub stars 34 Open source
Agent402

agent402.tools: 500+ pay-per-call tools, metered models and finished reports for AI agents, paid per call in USDC over x402 and MPP or by ca...

Score 88 GitHub stars 34 Open source
apowerb

The open-source agentic framework to build, orchestrate, and operate production AI agents.

Score 88 GitHub stars 33 Open source
awesome-grok-bot

Grok Bot skills, plugins, and MCP servers: 60+ verified entries plus self-hosted alternatives.

Score 88 GitHub stars 33 Open source
starai

Open-source AI model aggregation platform with web/admin dashboard, agents, image/video/audio generation, OpenAI-compatible API, wallet bill...

Score 88 GitHub stars 32 Open source
YSocial

An open-source, AI-driven Social Media Digital Twin powered by LLMs (Ollama, vLLM) for Computational Social Science simulations, network ana...

Score 88 GitHub stars 32 Open source
lore-weave

Open-source AI co-author for novelists & world-builders. ✍️ Canon-safe writing · RAG lore glossary · polyglot translation · BYOK multi-LLM....

Score 88 GitHub stars 32 Open source
bigbud

An open-source AI workspace for knowledge workers. Bring your own AI subscriptions and use the providers, harnesses, and models you choose t...

Score 88 GitHub stars 32 Open source
conductai

Runtime governance for AI agents. Allow, warn, or block every model and tool call before it commits. Hash-chained audit for every decision....

Score 88 GitHub stars 32 Open source
thymian

Thymian is a language-agnostic, open-source HTTP conformance and API governance tool. It validates your APIs against RFC standards and your...

Score 88 GitHub stars 32 Open source
marketing-mindset

Open-source skill (MIT) that gives AI agents a marketer's mindset: volume floors, kill rules, positioning, offers, outreach. Not a template...

Score 88 GitHub stars 32 Open source
AIDocumentLibraryChat

A project to show howto use SpringAI with Ollama to chat with the documents in a library. Documents are stored in a normal/vector database....

Score 87 GitHub stars 31 Open source
brain

Open Source Brain | AI training and inference in Rust

Score 87 GitHub stars 31 Open source
helm-api

Self-hosted LLM gateway — route OpenAI/Anthropic/Gemini traffic by config, not code. Fallback, protocol translation, telemetry.

Score 87 GitHub stars 30 Open source
RAG-LCC

Experimental RAG playground for exploring retrieval quality, corpus construction, and filter-chain design. Features configurable ranking and...

Score 87 GitHub stars 30 Open source
Logic-Loop

Coding agents move fast. Logic Loop helps you keep up. A desktop app for running parallel terminal agent sessions across projects — switch w...

Score 87 GitHub stars 30 Open source
tidebreak

Open-source, local-first desktop for AI coding agents and document work. Run Claude Code, Codex CLI, opencode, and Grok CLI in isolated Git...

Score 87 GitHub stars 29 Open source
jarvis

Self-hosted autonomous AI agent for Linux — multi-LLM, real desktop control (VNC), WhatsApp, RAG knowledge base, sandboxed security layer, O...

Score 87 GitHub stars 28 Open source
IHUI-AI

Eight-platform full-stack AI operating system - unifies 176 LLMs via LangGraph + MCP + A2A. Multi-tenant RLS over 340 tables, RAG knowledge...

Score 87 GitHub stars 28 Open source
briefd

Your agents, briefed. Not flooded. Self-hosted context compiler: git-backed team knowledge served to coding agents as token-budgeted bundles...

Score 87 GitHub stars 27 Open source
SourceWeft

Your AI workforce, on your terms. An open-source workstation with multi-agent collaboration, a rich skill library, MCP, and sandboxed execut...

Score 87 GitHub stars 26 Open source
chimera-agent

Open-source AI agent that reasons by blending many AI models, does real work on its own, and keeps learning — safe, self-hostable, and fully...

Score 87 GitHub stars 26 Open source
DepthSight

The first Algorithmic Trading DePIN. Get paid to trade via Proof-of-Trade mining & Swarm AI. A self-hosted visual crypto bot with a No-Code...

Score 87 GitHub stars 25 Open source
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