* [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rusts) — a ray tracer [<img src="https://api.travis-ci.org/Twinklebear/tray_rust.svg">](https://travis-ci.org/Twinklebear/tray_rust)
* **Operating systems**, see also [A comparison of operating systems written in Rust](https://github.com/flosse/rust-os-comparison)