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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

1,041 tools · sorted by quality

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three.ws

Open-source 3D AI agent framework — GLB/glTF avatars with LLM brains, memory, emotions, and autonomous payments. MCP server · x402 · Solana/...

Score 92 GitHub stars 213 Open source
LLMKube

Kubernetes operator for self-hosted LLM inference across a heterogeneous GPU fleet: NVIDIA CUDA, AMD Vulkan, and Apple Silicon Metal. Runtim...

Score 92 GitHub stars 213 Open source
BiaPy

Open source Python library for building bioimage analysis pipelines

Score 92 GitHub stars 212 Open source
codex-pooler

The full featured self-hosted Codex gateway, for teams, agents and you

Score 92 GitHub stars 211 Open source
OpenAgentd

The open-source, local-first alternative to Claude Code & Claude Cowork. Run multi-agent AI workflows locally with total privacy and zero cl...

Score 92 GitHub stars 211 Open source
inference-gateway

An open-source, cloud-native, high-performance gateway unifying multiple LLM providers, from local solutions like Ollama to major cloud prov...

Score 92 GitHub stars 210 Open source
botdirectory.ai

Open-source directory of agent-bot prompts for Grok Bot, Rakazo, and any agent — botdirectory.ai

Score 92 GitHub stars 209 Open source
skrun

Deploy any Agent Skill as an API via POST /run. The open-source multi-model alternative to Claude Managed Agents, Microsoft Foundry & Mistra...

Score 92 GitHub stars 209 Open source
collective-intelligence

Ailin¹ is an open-source collective intelligence engine where tens of thousands of AI models collaborate through dozens of coordination stra...

Score 92 GitHub stars 208 Open source
Keyty

Keyty - modern open-source keyboard and mouse visualizer for macOS

Score 92 GitHub stars 208 Open source
Local-Multimodal-AI-Chat

Self-hostable multimodal chat with local LLMs (Ollama/OpenAI): PDF RAG, image chat, and Whisper voice, Streamlit + Docker.

Score 92 GitHub stars 207 Open source
cc-plugin-codex

An open-source plugin that runs inside Codex and lets you use Claude Code and Claude models for review, rescue, and tracked background workf...

Score 92 GitHub stars 207 Open source
Clipbara

Free, open-source clipboard manager for macOS. Native card-style UI with Pinboards, Quick Look, and 100% local storage.

Score 92 GitHub stars 206 Open source
corpusos

Open-source protocol suite standardizing LLM, Vector, Graph, and Embedding infrastructure across LangChain, LlamaIndex, AutoGen, CrewAI, Sem...

Score 92 GitHub stars 205 Open source
nl-veil

Open-source AI coding desktop app with parallel agents and persistent project memory. Local models, Ollama or cloud AI. Windows, macOS and L...

Score 92 GitHub stars 205 Open source
Lexicon

The free open source offline writing assistant assist with grammar, rewriting & tone entirely on your machine.

Score 92 GitHub stars 203 Open source
eda-agent

Open-source MCP server that lets an AI drive a live session of Altium Designer, and optionally KiCad or EasyEDA Pro, editing the open design...

Score 92 GitHub stars 200 Open source
OpenSlides

Free, open-source, offline desktop app for creating animated code presentations. Magic Move transitions, 16 syntax themes, highlight steps,...

Score 92 GitHub stars 200 Open source
ClippedAI

Open-source alternative to OpusClip - AI-powered YouTube Shorts generator.
100% free and unlimited.

Score 91 GitHub stars 199 Open source
proxy

Open source cost intelligence proxy for AI agents. Cut costs ~80% with smart model routing. Dashboard, policy engine, 11 providers. MIT lice...

Score 91 GitHub stars 199 Open source
open-asm

AI-powered open-source platform for Attack Surface Management (OASM)

Score 91 GitHub stars 197 Open source
OpenGateLLM

An open-source, unified interface for running and managing self-hosted LLMs.

Score 91 GitHub stars 196 Open source
pawwork

PawWork — free, open-source desktop AI agent for macOS and Windows, built on DeepSeek Harness (DSH). Free models included, no API key or ter...

Score 91 GitHub stars 196 Open source
awesome-voice-typing

Curated list of open-source speech-to-text and voice typing tools for Linux, macOS, Windows, Android, and iOS. Offline, local, and cloud.

Score 91 GitHub stars 195 Open source
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