A fast, native code-review app in Rust, built with gpui.

Requires the GitHub CLI (gh auth login first), otherwise you can only review code locally.

This is 100% vibe coded. I have not read the code.

Grab LGTM.dmg from the latest release (built from every commit on main, Apple Silicon only), open it, and drag LGTM to Applications.

The app is unsigned, so on first launch macOS will complain — right-click the app and choose Open, or:

xattr -d com.apple.quarantine /Applications/LGTM.app

Or build from source:

cargo run --release

Note that you will need Xcode to build it from source because the metal dev tools are bundled with it. Otherwise the build fails with the following error:

cargo:rerun-if-changed=./src/platform/mac/shaders.metal
cargo::error=metal shader compilation failed:
xcrun: error: unable to find utility "metal", not a developer tool or in PATH

• unified + split views
• tree-sitter highlighting (18 languages),
• word-level intra-line diffs,
• multi-item sidebar with file tree
• cmd-k palette with fuzzy PR picker,
• local repo diffs
• minimap,
• inline GitHub review comments (reading + posting, hover a line for +)
• submitting reviews (approve / request changes / comment, cmd-enter or the Review button)

Coming: LSP, AI inline review annotations