| 1 | 19,834 | 5,963 | rubysketch | A game engine based on the Processing API. |
| 2 | 20,035 | 6,050 | reflexion | This library helps you to develop interactive graphical user interface. |
| 3 | 20,360 | 5,736 | rucy | This library helps you to develop Ruby Extension by C++. |
| 4 | 20,652 | 5,980 | rays | This library helps you to develop graphics application with OpenGL. |
| 5 | 22,159 | 5,617 | xot | This library include some useful utility classes and functions for development with C++. |
| 6 | 27,400 | 6,664 | beeps | Synthesize and play beep sounds. |
| 7 | 38,792 | 6,631 | processing | Creative Coding Framework has API compatible to Processing or p5.js. |
| 8 | 70,553 | 132,668 | spacy | A text editor runs on Ruby and uses SPACE as a trigger key for every action. |
| 9 | 92,869 | 8,584 | reight | A Retro Game Engine for Ruby. |
| 10 | 166,333 | 132,668 | rubysketch-solitaire | Solitaire game made with RubySketch. |
| 11 | 181,372 | 10,801 | reflex-terminal | Provides Reflex::Terminal, a headless terminal emulator model built on libghostty-vt, a... |
| 12 | 186,819 | 10,424 | reflex-packager | CLI tool to package Reflex applications as native macOS and Windows applications. |
| 13 | 188,319 | 10,775 | rays-video | Video encoding/decoding with audio support using Rays and Beeps. |