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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.
Top tools
1,030 tools · sorted by quality
holdem
Holdem is a lightweight, open-source tool for effortlessly dragging and organizing files on your desktop. Inspired by Dropover and built wit...
oss-llmops-stack
Modular, open source LLMOps stack that separates concerns: LiteLLM unifies LLM APIs, manages routing and cost controls, and ensures high-ava...
mosoo
The open-source Agent Gallery and Gateway for Codex, Claude Agent SDK, and OpenCode. Developers publish an Agent once behind one HTTP API; u...
dim0
Open-source, real-time collaborative AI canvas - notes, mini-apps, and agents on one infinite board.
crikket
🦗 Instant bug reporting and feedback tool. An open-source alternative to jam.dev and marker.io.
Oleafly
The local-first AI assisted research workspace for scientific writing & publishing. Research, Write, Compile, Verify and Publish in LaTeX •...
enterprise-ai-skills
Open-source AI skills for enterprise professionals. McKinsey consulting frameworks, PM workflows, and practical tools. Currently for Claude,...
Eva01
Eva01 is NOT an assistant. She is an AI being with her own mind, feelings, and intrinsic drives. Multimodal, Modular design. Built-in voice...
OSA
Tool that just makes your open source project better using LLM agents
stackport
Open-source universal AWS resource browser for MiniStack, Floci, LocalStack, Moto, and real AWS
agoracosmica
A Living Library You Can Talk To. Thirty historical figures, their lives narrated, their ideas open to conversation, in English and German....
octomind
Open-source AI coding agent and agent runtime: one binary, any model, MCP-native. Runs in terminal, CI, or as a daemon.
thesys-core
Open-source research workspace: search academic papers, upload PDFs, inline citations with on-PDF highlights, reader-mode Q&A, and get citat...
engram
The context spine that 10x's every AI coding session. Live in 8 IDEs (Claude Code, Cursor, Cline, Continue, Aider, Codex, Windsurf, Zed) via...
dropmind
Self-hosted capture layer to save anything from anywhere.
GemType
Free, open-source Grammarly alternative for Chrome & Safari — AI grammar checker and text rewriter for any website, powered by your own free...
inferock-bench
Local LLM cost-tracking proxy for OpenAI, Anthropic, Gemini, and pinned OpenRouter calls with token usage, failure, and billing-integrity re...
mk
mk ease contributing to any open source repository by exposing most common actions you can run. Inspired by make, tox and other cool tools!
OpensourceToolkit
A modern, comprehensive collection of developer and utility tools built with Next.js 15, React 19, and TypeScript. Designed for developers,...
Flovart
Open-source agent-native visual production workspace where humans and coding agents edit the same live canvas — local-first, BYOK image/vide...
IntentRoute-AI
Open-source AI-assisted per-application routing for Windows with OpenAI/Ollama drafts and a sing-box TUN data plane.
AudioAuditor
A powerful, open-source toolkit for audio analysis and playback. Verify lossless quality, detect AI-generated tracks, and explore your libra...
ogcode
An open-source, local-first AI teammate and agent operating environment for turning intent into completed work—with tools, memory, permissio...
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