| 1 | 20,143 | 95,020 | rubysketch | A game engine based on the Processing API. |
| 2 | 20,526 | 63,630 | reflexion | This library helps you to develop interactive graphical user interface. |
| 3 | 20,854 | 28,776 | rays | This library helps you to develop graphics application with OpenGL. |
| 4 | 21,187 | 63,630 | rucy | This library helps you to develop Ruby Extension by C++. |
| 5 | 23,488 | 40,343 | xot | This library include some useful utility classes and functions for development with C++. |
| 6 | 28,808 | 95,020 | beeps | Synthesize and play beep sounds. |
| 7 | 47,286 | 48,696 | processing | Creative Coding Framework has API compatible to Processing or p5.js. |
| 8 | 68,283 | 95,020 | spacy | A text editor runs on Ruby and uses SPACE as a trigger key for every action. |
| 9 | 141,290 | 48,696 | reight | A Retro Game Engine for Ruby. |
| 10 | 165,754 | 48,696 | rubysketch-solitaire | Solitaire game made with RubySketch. |