# Diffy > Diffy is a native Git diff viewer built in Rust with GPUI Kit. Review live changes, keep worktrees together, and read GitHub pull requests without checking out a branch. Diffy is published by hitSlop. macOS is beta; Windows and Linux are alpha. All platforms require Git. ## Official documentation - [Product and features](https://diffy.run/): What Diffy does and its current capabilities. - [Downloads and installation](https://diffy.run/downloads/): Requirements, availability, and installation for each platform. - [Complete product documentation](https://diffy.run/llms-full.txt): Plain-text features, limitations, pricing, and platform facts. - [Source code](https://github.com/hitSlop/Diffy): The official MIT-licensed repository.