To practise sight reading, sometimes I need to develop certain skills specifically. This usually ends up crawling the web for "2/4 C major with no accidentals and some chords for the left hand" or something else. To not waste my time, I created Etudka.
Navigating through a big codebase is hard, especially when you are just learning it. rust-ontologist comes to the rescue: it generates a structure, or ontology, of any Rust project, and visualizes it in an interactive browser window.