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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

1,025 tools · sorted by quality

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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 209 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 204 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
Nebulynk

A self-hosted home for your team's conversations, calls, meetings, and AI-assisted follow-up.

Score 91 GitHub stars 198 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
zafiro

Open-source BYOK AI agent for Android. Full phone control, native Shell & Python 3, with Skills and MCP support. Built with Material 3 Expre...

Score 91 GitHub stars 193 Open source
open-source-slack-ai

An open source alternative to some of Slack AI's premium features. Summarize channels and threads any time you want.

Score 91 GitHub stars 192 Open source
nyro

Self-hosted AI Gateway — connect Claude Code, Codex, Gemini CLI and any SDK to any model provider with protocol translation.

Score 91 GitHub stars 192 Open source
e2a

Open-source email API for applications and AI agents. Managed hosting at e2a.dev, or self-host with Docker.

Score 91 GitHub stars 191 Open source
ZJT

ZhiJuTong (ZJT) is an AI-powered, open-source platform specifically designed for creating professional short dramas. It automates the entire...

Score 91 GitHub stars 191 Open source
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