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Athas is a lightweight, open-source code editor built around the idea that your editor, your AI coding agents, and your Git workflow belong in one place. It runs on macOS, Windows, and Linux, and keeps the interface fast and focused rather than it with features you won't use.
The core pitch is simplicity without sacrifice. You get a code editor, an integrated terminal, Git controls, and GitHub access, all in a single window. Agents sit beside the code they're changing, so you can review diffs in context rather than switching between tools.
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Compared to heavier AI-powered editors like Cursor, Athas leans into minimalism. It's not trying to be an IDE with every feature bolted on; it's a focused workspace that stays out of your way. The AGPL-3.0 license means the code is fully open, and development happens in public.
If you already have a preferred CLI agent, Athas is designed to run it natively rather than replace it. Every Sunday we deconstruct one proprietary app and pick the best open source alternatives worth switching to.
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