The best open source AI apps for Mac
By Arvind Kumar ·
Open source AI apps for the Mac have multiplied: apps that run language models on your own Mac, chat clients for hosted models, dictation tools and coding helpers. These are the most starred in the catalog.
The apps
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1. CodexBar
Show usage stats for OpenAI Codex and Claude Code, without having to login.
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2. CodeBurn
Tracks token usage, cost, and performance across 25 AI agents with per-task breakdowns.
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3. Osaurus
Local LLM server and AI infrastructure with menu bar, CLI, and shared tools.
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4. Quotio
AI subscription manager with quota tracking and automatic failover.
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5. Claude Usage Tracker
Track the usage of Claude Code.
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6. VibeProxy
Menu bar app to use existing Claude, ChatGPT, and other subscriptions with AI coding tools without API keys.
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7. Sidekick
Chat with a local LLM on macOS using your files — no extra setup.
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8. Codenotch
Screen-edge notch showing how much of each AI coding tool's session limit you've burned and whether the agent is working, done, or waiting on you.
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9. Claude Island
Dynamic Island-style status panel for Claude Code sessions with approvals and chat history.
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10. CodeIsland
Real-time status panel for AI coding agents with session tracking and permission controls.
Order is by GitHub stars among apps that install as a ready-made Mac app. Descriptions are the developers' own; versions and star counts are refreshed with the catalog.
Two things are worth checking before you rely on an AI app. First, where your text goes: an app that runs a model on your Mac keeps it there, while a client for a hosted model sends it to that service. Second, what it costs: the app is free, but a hosted model usually needs your own API key and is billed by its provider.
Install them in one click
OpenDMG is a free, open source app store for open source Mac apps. It downloads each app from its developer's own GitHub release, checks it, and keeps it up to date. No account is needed.