Mitos is a modern, batteries-included, modal text editor written in Rust. It is a fork of Helix and continues its selection-first editing model with multi-select, built-in language server support, and tree-sitter-powered syntax awareness.
Helix built a strong foundation. Mitos is a chance to build on it at a faster pace, experiment with new features and different approaches to the architecture, and see where it can take us. For now, expect less stability and occasional breaking changes. Nevertheless, the end goal is similar - fast, robust, and extensible editor for all your needs.
- Selection-first modal editing
- Multiple selections
- Built-in language server and debug adapter support
- Incremental syntax highlighting and code editing via tree-sitter
- A terminal UI built with Ratatui
On Linux and macOS:
curl -fsSL https://mitos.computer/install.sh | shOn Windows, run in PowerShell:
& ([scriptblock]::Create((Invoke-RestMethod https://mitos.computer/install.ps1)))The installers select your platform, verify the download, and install the executable with its runtime for your user account.
Download a binary archive for Linux, macOS, or Windows from GitHub Releases. Extract it and keep runtime/ beside ms (ms.exe on Windows), then add the extracted directory to your PATH.
See the installation guide for platform instructions.
Mitos requires Rust 1.97.1 or newer.
git clone https://github.com/mitos-editor/mitos
cd mitos
cargo build --release
./target/release/ms --healthThe optimized executable is written to target/release/ms (ms is short for Mitos). Install it on your PATH with cargo install --path crates/term --locked.
AI-assisted code is welcome. You are responsible for understanding, reviewing, and testing what you submit. Write discussions and opinions in your own voice. See the AI policy for details.
Mitos is a fork of Helix. The fork was created from commit f9928f57f and retains the complete upstream Git history.
The covered source files remain licensed under the Mozilla Public License 2.0 (MPL-2.0). The unmodified license text is distributed in LICENSE, and Cargo package metadata continues to declare MPL-2.0.
Mitos is not endorsed by or affiliated with the Helix project or its maintainers.