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.
- 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.
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.