| 1 | 19,997 | 17,504 | rubysketch | A game engine based on the Processing API. |
| 2 | 20,444 | 27,316 | reflexion | This library helps you to develop interactive graphical user interface. |
| 3 | 20,811 | 16,801 | rays | This library helps you to develop graphics application with OpenGL. |
| 4 | 21,161 | 13,358 | rucy | This library helps you to develop Ruby Extension by C++. |
| 5 | 23,533 | 12,329 | xot | This library include some useful utility classes and functions for development with C++. |
| 6 | 28,689 | 12,761 | beeps | Synthesize and play beep sounds. |
| 7 | 45,317 | 35,923 | processing | Creative Coding Framework has API compatible to Processing or p5.js. |
| 8 | 68,638 | 63,578 | spacy | A text editor runs on Ruby and uses SPACE as a trigger key for every action. |
| 9 | 126,566 | 55,096 | reight | A Retro Game Engine for Ruby. |
| 10 | 164,661 | 63,578 | rubysketch-solitaire | Solitaire game made with RubySketch. |
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