| 1 | 20,133 | 34,805 | rubysketch | A game engine based on the Processing API. |
| 2 | 20,504 | 20,178 | reflexion | This library helps you to develop interactive graphical user interface. |
| 3 | 20,853 | 21,822 | rays | This library helps you to develop graphics application with OpenGL. |
| 4 | 21,181 | 25,837 | rucy | This library helps you to develop Ruby Extension by C++. |
| 5 | 23,487 | 24,226 | xot | This library include some useful utility classes and functions for development with C++. |
| 6 | 28,858 | 34,805 | beeps | Synthesize and play beep sounds. |
| 7 | 47,702 | 30,864 | processing | Creative Coding Framework has API compatible to Processing or p5.js. |
| 8 | 68,111 | 108,893 | spacy | A text editor runs on Ruby and uses SPACE as a trigger key for every action. |
| 9 | 142,351 | 108,893 | reight | A Retro Game Engine for Ruby. |
| 10 | 166,414 | 49,879 | rubysketch-solitaire | Solitaire game made with RubySketch. |