diff --git a/README.md b/README.md
index c034bc1..bc8aa4e 100644
--- a/README.md
+++ b/README.md
@@ -357,6 +357,7 @@ See also [http://arewewebyet.com/](http://arewewebyet.com/) and [Rust web framew
 * [rust-learning](https://github.com/ctjhoa/rust-learning) — a collection of useful resources to learn Rust
 * [Rustlings](https://github.com/carols10cents/rustlings) — small exercises to get you used to reading and writing Rust code
 * [TeXitoi/benchmarksgame-rs](https://github.com/TeXitoi/benchmarksgame-rs) — Rust implementations for the [The Computer Language Benchmarks Game](http://benchmarksgame.alioth.debian.org/) [<img src="https://travis-ci.org/TeXitoi/benchmarksgame-rs.svg?branch=master">](https://travis-ci.org/TeXitoi/benchmarksgame-rs)
+* [A comparison of operating systems written in Rust](https://github.com/flosse/rust-os-comparison)
 
 ## Development tools