1. PretentiousTool for writing characterization tests - Generate RSpec or minitest specs based on existing behavior in a straightforward manner
2. Resugansimple, powerful and unobstrusive event driven architecture framework for ruby
4. Tensor streamA ground-up and standalone reimplementation of TensorFlow for ruby. Comes with a pure ruby and OpenCL opcode evaluator
5. multi string replaceA fast multiple string replace library for ruby. Uses a C implementation of the Aho–Corasick Algorithm based on https://github.com/morenice/ahocorasick while adding support for on the fly multiple string replacement. Faster alternative to String.gsub when dealing with non-regex (exact match) use cases
6. natural 20This is a text-based game engine that implements the D&D 5th edition ruleset. A sample adventure is included in this repository
7. droiubyApp development platform for Android using Ruby. Develop android apps rapidly using the programming language that we all love, Ruby. Leveraging the JRuby runtime, Droiuby is designed as an open environment where you can use your own framework to develop apps.