Best Open Source AI tools
Entries whose source code is published under an open licence and can be inspected or forked. The 15 highest-ranked of the 83 apps tagged Open Source in the Onei AI catalogue.
Everything tagged Open Source: apps, skills and MCP servers
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OpenClaw Foundation
Open-source personal AI assistant that runs on your own machine and answers from WhatsApp, Telegram, Slack, iMessage and 25 other chat apps.
Also: Self-Hosted · Editor's pick
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Cloudflare
Open-source AI workspace you deploy into your own Cloudflare account: agent chat wired to company context, sandboxed app building, and policy guardrails.
Also: Sandbox, Self-Hosted · Editor's pick
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The open-source AI hub: over a million models, hundreds of thousands of datasets, and hosted demo Spaces.
Also: Developers, Inference · Editor's pick
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Felafax, Inc.
Free, open-source desktop browser that coding agents such as Claude Code, Codex and Cursor drive using your real logged-in accounts.
Also: Desktop App, Developers, Local-First · Editor's pick
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An open-source coding agent for VS Code and JetBrains that plans before it edits and asks before it acts.
Also: Coding Agent, Developers · Editor's pick
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Open-source AI coding agent for VS Code, JetBrains and the terminal — 500+ models at provider cost, task-specific modes, parallel agents in isolated git worktrees.
Also: Coding Agent · Editor's pick
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Palash Deb
Open-source, fully local voice AI studio for macOS, Windows and Linux — voice cloning, voice design, dubbing, dictation and transcription in 646 languages.
Also: Local-First · Editor's pick
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Unsloth AI
Open-source desktop app to run, serve and fine-tune text, image, video and audio models entirely on your own machine.
Also: Desktop App, Inference, Local Models · Editor's pick
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Open-source voice AI platform you can self-host — a visual workflow builder, bring-your-own STT/LLM/TTS models, telephony, and no per-minute platform lock-in.
Also: Self-Hosted · Editor's pick
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TinyHumans AI
Open-source desktop AI agent that builds a local, readable memory of your work, then orchestrates agent fleets and durable workflows on top of it.
Also: Desktop App, Local-First · Editor's pick
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Osaurus, Inc.
Native macOS harness for AI agents — any model, persistent memory, sandboxed execution and cryptographic identity, fully offline and open source.
Also: Local Models, Sandbox · Editor's pick
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An Apache-2.0 TypeScript framework for building AI agents — workflows, memory, RAG and evals — with a local studio and an agentic software factory on top.
Also: Coding Agent · Editor's pick
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Agentic AI Foundation
Open-source AI agent from the Agentic AI Foundation — a native desktop app, CLI and API that runs tasks locally with 70+ MCP extensions.
Also: Coding Agent, Desktop App, Developers · Editor's pick
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All Hands AI
OpenHands — the leading open-source coding agent platform, self-hostable or run in the cloud.
Also: Coding Agent, Developers, Sandbox · Editor's pick
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Open-source inference engine that runs LLMs, vision and speech models fully on-device — no API keys, no cloud calls, from Swift to Godot.
Also: Inference, Local-First, Local Models · Editor's pick
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.