Eros is the swish army knife of error handling approaches. It fits perfectly well into libraries and applications.

crabgrind is a small library that enables Rust programs to tap into Valgrind’s tools and virtualized environment.

A command line profiler for macOS and Linux.

Requests allow you to send HEAD, GET, POST, PUT, PATCH, and DELETE HTTP requests. You can add headers, form data, multipart files, and parameters with simple Python dictionaries, and access the response data in the same way. It’s powered by urllib2, but it does all the hard work and crazy hacks for you.

libtcod Racket binding