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Athas

Lightweight code editor with Vim mode and agentic AI editing

Free Coding Open Source

Overview

Athas is a free, open-source code editor built for developers who want speed without bloat. It features full Vim keybindings for lightning-fast modal editing, native Git integration for managing branches and commits, and Language Server Protocol (LSP) support for intelligent code completion and refactoring. The editor supports agentic AI editing through your own API keys from providers like OpenAI, Anthropic, Gemini, Grok, and OpenRouter, giving you complete control over your AI-assisted coding workflow.

Pricing: Free

Architecture: Apple Silicon, Intel

Key Features

  • Full Vim keybindings with modal editing
  • Native Git integration for branches, commits, and diffs
  • Language Server Protocol (LSP) for code completion and refactoring
  • Agentic AI editing with BYOK (OpenAI, Anthropic, Gemini, Grok, OpenRouter)
  • Syntax highlighting for major programming languages
  • Minimal memory footprint with rapid startup
  • Cross-platform support (macOS, Linux, Windows)
  • Built with Tauri (Rust + React) for native performance

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