C in four functions

A collective list of free APIs

Sourcetrail - free and open-source interactive source explorer

gperftools for ruby code

💨 Writing Fast Ruby 😍 -- Collect Common Ruby idioms.

Ruby SVG Image Builder

Ruby gem for colorizing printed text on ANSI terminals

Shoes 4 : the next version of Shoes

FXRuby is an extension module for Ruby that provides an interface to the FOX GUI toolkit.

Ruby/ProgressBar is a text progress bar library for Ruby.

Interactor provides a common interface for performing complex user interactions.

Collection of miscellaneous portable C snippets.

Pure Ruby bit array/bitfield implementation

A basic key-value store, repeated in C, Go, Python (basic, gevent, and diesel), Ruby (event machine), Java, Scala, Haskell, and NodeJS.