Agreed, Awesome Rust is a great resource. Here's the link: https://github.com/kud1ing/awesome-rust

There are also some "Are we X yet?" sites that cover ecosystem maturity for specific topics. Here are all the Rust-specific sites linked from Mozilla's page (https://wiki.mozilla.org/Areweyet):

Web Programming - http://www.arewewebyet.org/

Concurrency - http://areweconcurrentyet.com/

IDE/Editor Support - https://areweideyet.com/

Machine Learning - http://www.arewelearningyet.com/

Game Development - http://arewegameyet.com/