AI topic

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

1,009 tools · sorted by quality

Full compare →
CliRelay

Self-hosted AI gateway for coding CLIs — one OpenAI/Claude/Gemini/Codex-compatible endpoint, with a multi-tenant web console, request logs,...

Score 95 GitHub stars 1,023 Open source
awesome-vibecoded-saas

Open-source alternatives to the SaaS tools people pay for

Score 95 GitHub stars 1,022 Open source
Botright

Botright, the most advance undetected, fingerprint-changing, captcha-solving, open-source automation framework. Build on Playwright, its as...

Score 95 GitHub stars 1,012 Open source
CORAL

Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, and Codex with grading, shared knowledge, and multi...

Score 95 GitHub stars 1,007 Open source
bytechef

Open-source AI agents and workflow automation. Self-host or embed in your SaaS. Apache 2.0 alternative to n8n and Zapier.

Score 95 GitHub stars 1,003 Open source
look

An open-source, cross OS, community-driven launcher. A lightweight alternative to Spotlight and Raycast. Made with ❤️ from Viet Nam 🇻🇳

Score 95 GitHub stars 992 Open source
pgGraph

Open-source graph database superpowers for your existing Postgres data.

Score 95 GitHub stars 983 Open source
caspian-sdk

Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python &...

Score 95 GitHub stars 976 Open source
Skills-Manager

Free, open-source desktop manager for AI Agent Skills. Write a skill once, sync it to 32 AI coding tools (Claude Code, Codex, Cursor, Gemini...

Score 95 GitHub stars 973 Open source
Dark-Moon

Open source autonomous AI penetration testing platform. 50+ specialist agents for AI security testing across web, API, cloud, Active Directo...

Score 95 GitHub stars 968 Open source
awesome-note-taking

A curated list of 100+ awesome note-taking apps, PKM tools & knowledge management software — open source and proprietary. Updated regularly.

Score 95 GitHub stars 967 Open source
data-prep-kit

Open source project for data preparation for GenAI applications

Score 95 GitHub stars 964 Open source
sandboxd

Open-source, self-hosted AI app builder — an agent builds real apps in isolated sandboxes on your own server, each live at a preview URL. Se...

Score 95 GitHub stars 950 Open source
AI-Bootcamp

Self-paced bootcamp on Generative AI. Tutorials on ML fundamentals, Ollama, LLMs, RAGs, LangChain, LangGraph, Fine-tuning, DSPy & AI Agents...

Score 95 GitHub stars 946 Open source
selfhost-ai

One-command installer for a self-hosted AI stack on your own server: n8n, Ollama, Open WebUI, OpenClaw, Dify, Flowise, Supabase, ComfyUI, Qd...

Score 95 GitHub stars 936 Open source
openeverest

OpenEverest is an open-source platform for automated database, storage and LLMs provisioning and management. It supports multiple technologi...

Score 95 GitHub stars 929 Open source
MindAct

MindSpore + 🤗Huggingface: Run any Transformers/Diffusers model on MindSpore with seamless compatibility and acceleration.

Score 95 GitHub stars 920 Open source
auto-news

A personal news aggregator to pull information from multi-sources + LLM (ChatGPT/Gemini/Ollama via LangChain) to help us reading efficiently...

Score 95 GitHub stars 907 Open source
Substrate

An Open-source Framework for Human Understanding, Meaning, and Progress.

Score 95 GitHub stars 900 Open source
TypeNo

A free, open source, privacy-first voice input app for macOS.

Score 95 GitHub stars 898 Open source
atom

Atom Agent, Open-Source Governed AI Agent Platform for Self-Hosted Automation

Score 95 GitHub stars 901 Open source
UpscalerJS

Enhance Images with Javascript and AI. Increase resolution, retouch, denoise, and more. Open Source, Browser & Node Compatible, MIT License.

Score 95 GitHub stars 896 Open source
MONAILabel

MONAI Label is an intelligent open source image labeling and learning tool.

Score 95 GitHub stars 892 Open source
Wegent

Plan, build, and deliver with an open-source, self-hostable AI workspace for coding, collaboration, and automation.

Score 95 GitHub stars 859 Open source
Quick pairs

Popular comparisons