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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
1,025 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 •...
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
enterprise-ai-skills
Open-source AI skills for enterprise professionals. McKinsey consulting frameworks, PM workflows, and practical tools. Currently for Claude,...
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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