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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

1,020 tools · sorted by quality

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noobot

Cheapest Money-Saving Self-hosted AI agent workspace with tool calling, MCP, multi-model routing, sandboxed execution, multi-agent workflows...

Score 91 GitHub stars 187 Open source
ai-free

Open-source local AI client and coding agent for DeepSeek, Qwen, ChatGPT and EconomyOS with memory, voice, browser tools, OpenAI/Anthropic-c...

Score 91 GitHub stars 185 Open source
openclaw-mcp

🦞 MCP server for OpenClaw - secure bridge between Claude.ai and your self-hosted OpenClaw assistant with OAuth2 authentication

Score 91 GitHub stars 184 Open source
BlossomLM

A powerful, open-source large language model, including the training data.

Score 91 GitHub stars 183 Open source
omnisim

Open-source robotics simulator for coding agents: HTTP/JSON + MCP control, Newton physics, wgpu rendering, ROS 2, and reproducible benchmark...

Score 91 GitHub stars 183 Open source
open-photo-ai

An open source alternative to the popular photo AI editor.

Score 91 GitHub stars 183 Open source
cursor-history

The ultimate open-source tool for browsing, searching, exporting, and backing up your Cursor AI chat history.

Score 91 GitHub stars 183 Open source
chunky

Open-source toolkit for reliable RAG pipelines: convert PDFs to Markdown, clean documents, inspect chunks, compare chunking strategies, and...

Score 91 GitHub stars 180 Open source
linkyee

A fully customized, open-source LinkTree alternative deployed directly on GitHub Pages.

Score 91 GitHub stars 180 Open source
modelplane

The open source control plane for AI inference

Score 91 GitHub stars 180 Open source
oryxos

OryxOS is an open-source Distributed AI Agent OS

Score 91 GitHub stars 178 Open source
awesome-opensource

Looking for an open-source alternative? Read me.

Score 91 GitHub stars 178 Open source
openworkbuddy

openworkbuddy — local-first AI office agent: turn requests into real files. Self-hosted, BYOK, MCP, Codex/Claude Code, executable short-dram...

Score 91 GitHub stars 177 Open source
drogonsec

High-performance open-source security scanner combining SAST, SCA, Secret Detection, and IaC analysis, built for developers and CI/CD pipeli...

Score 91 GitHub stars 176 Open source
email-signature-generator

Free, open-source email signature generator. Single HTML file, no sign-up, no server.

Score 91 GitHub stars 176 Open source
engraphis

Local-first, inspectable memory for coding agents: durable context across sessions and repositories, code-aware recall, bi-temporal history,...

Score 91 GitHub stars 175 Open source
yantrikdb-server

Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, Ap...

Score 91 GitHub stars 174 Open source
opengeni

Open, self-hostable agentic service for organizations — durable, replayable agent sessions, human approvals, governed credentials and memory...

Score 91 GitHub stars 173 Open source
OpenFamily

The open-source, self-hosted family organizer. Keep full control of your family's data : run it on your own server.

Score 91 GitHub stars 172 Open source
tubecli

⚡ TubeCLI — The Ultimate Open Source AI Agents Ecosystem | Agents Browser · Agents Workflow · Agents Studio World

Score 91 GitHub stars 171 Open source
claude-command-center

Manage and orchestrate your Claude Code, Codex, Cursor, Antigravity, Kimi, Grok, Devin, Droid sessions on your Machine. Spawn in parallel, s...

Score 91 GitHub stars 171 Open source
ram-coffers

LLM infrastructure cost reduction via NUMA-aware weight banking: 147 t/s (8.8x stock llama.cpp) on refurbished enterprise POWER8. Self-hoste...

Score 91 GitHub stars 170 Open source
mdhero

A beautiful, native Markdown viewer and lightweight editor for macOS, Windows and Linux. ~8MB, free, open source.

Score 91 GitHub stars 170 Open source
ai-git-bot

The self-hosted AI workflow automation platform for Git repositories.

Score 91 GitHub stars 170 Open source
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