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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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suede-creator-skills

Open-source AI skills for SEO, AI search visibility, conversion copy, marketing strategy, and business operations. Reusable workflows for Cl...

Score 91 GitHub stars 136 Open source
iotplatform

An open-source IoT platform that enables rapid development, management and scaling of IoT projects. With this IoT platform, you are able to:...

Score 91 GitHub stars 135 Open source
agent-island

Open-source status companion for your AI coding agents — Claude Code, Codex, Antigravity, Grok, and Cursor. Live session state, your-turn al...

Score 91 GitHub stars 134 Open source
ontology-atlas

Understand what your codebase builds, why it is structured that way, and what a change could affect. One shared Markdown ontology for human...

Score 91 GitHub stars 133 Open source
ralphy

Open-source desktop app for content creation, with an agent runtime and standalone CLI.

Score 91 GitHub stars 133 Open source
freelingo

Open-source, self-hosted AI language learning platform with local or cloud LLMs, CEFR study plans, an AI tutor, voice conversations, flashca...

Score 91 GitHub stars 132 Open source
book-genesis-studio

Open-source writing skills for Claude Code, Codex, OpenCode, Antigravity, Gemini, OpenClaw, and Hermes. Your creativity. Your agent. Your bo...

Score 91 GitHub stars 132 Open source
HotkeyClash

Find where your keyboard shortcuts clash. A free, open-source macOS menu bar app that detects shortcut conflicts across apps, config tools,...

Score 91 GitHub stars 131 Open source
rocketplaneIO

Self-hosted AI SRE for Kubernetes — zero-instrumentation eBPF observability plus a copilot that fixes issues through guardrailed, self-verif...

Score 91 GitHub stars 131 Open source
MaxKB4j

MaxKB4j is an open-source LLMOps platform for LLM workflow applications and RAG developed based on the Java language. The project mainly dra...

Score 91 GitHub stars 129 Open source
warpdrv

Local LLM Server Manager + LlaMA.cpp + Chat

Score 91 GitHub stars 129 Open source
hotclip

免费开源的 AI 剪辑 / 直播切片工具:长视频、直播回放、播客一键切成爆款竖屏短视频,直发抖音/快手/B站/小红书/视频号——AI 找高光金句、弹幕热度进爆...

Score 91 GitHub stars 129 Open source
OmniKey-AI-Unified-Key-Manager

A self-hosted LLM proxy and failover gateway supporting OpenAI & Gemini compatible endpoints. Routes requests dynamically across 12+ LLM pla...

Score 91 GitHub stars 129 Open source
Gozar

Self-hosted, Docker-first OpenAI-compatible LLM gateway with provider routing, fallbacks, API keys, and usage controls.

Score 91 GitHub stars 128 Open source
Saki-Panel

Next-gen AI-native server ops panel with an in-workspace SRE agent. Crash self-healing, safe rollbacks, Docker/game servers, and local Ollam...

Score 91 GitHub stars 128 Open source
aiusage

Open-source AI usage tracker — tokens, cost, and sessions across Claude Code, Codex, Hermes, Qoder, and more

Score 91 GitHub stars 128 Open source
reshapr

The open source, no-code MCP Server for AI-Native API Access

Score 91 GitHub stars 126 Open source
postal

An open-source, terminal-based AI coding agent that reads your code, calls tools, and helps you build.

Score 90 GitHub stars 125 Open source
websum

Summarize web pages and YouTube videos with pluggable LLM backends (Ollama, OpenAI). CLI, library, and Gradio UI.

Score 90 GitHub stars 124 Open source
aidea-zotero

AIdea — AI assistant for Zotero: chat with papers, translate selections, translate full PDFs. Use your existing ChatGPT/Gemini/Copilot subsc...

Score 90 GitHub stars 124 Open source
crumbs

Crumbs by Bretzel - a self-hosted, privacy-first Google Keep alternative. Capture your thoughts, ideas and notes. Built with SvelteKit.

Score 90 GitHub stars 123 Open source
opencode-agent-orchestration-kit

Open-source multi-agent orchestration harness for OpenCode — specialized agents, durable workflows, research, planning, implementation, revi...

Score 90 GitHub stars 122 Open source
TabLift

A lightweight, open-source macOS utility that automatically restores minimized app windows when switching with ⌘+Tab or ⌘+`.

Score 90 GitHub stars 122 Open source
ObsidianRAG

Ask questions about your Obsidian notes using local AI. Privacy-first RAG with Ollama, LM Studio, or any OpenAI-compatible server. Obsidian...

Score 90 GitHub stars 121 Open source
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