| 1 | 19,800 | 31,628 | rubysketch | A game engine based on the Processing API. |
| 2 | 20,042 | 31,628 | reflexion | This library helps you to develop interactive graphical user interface. |
| 3 | 20,659 | 34,818 | rays | This library helps you to develop graphics application with OpenGL. |
| 4 | 20,914 | 9,572 | rucy | This library helps you to develop Ruby Extension by C++. |
| 5 | 23,036 | 9,432 | xot | This library include some useful utility classes and functions for development with C++. |
| 6 | 27,747 | 31,628 | beeps | Synthesize and play beep sounds. |
| 7 | 40,806 | 29,216 | processing | Creative Coding Framework has API compatible to Processing or p5.js. |
| 8 | 69,671 | 128,478 | spacy | A text editor runs on Ruby and uses SPACE as a trigger key for every action. |
| 9 | 98,785 | 38,986 | reight | A Retro Game Engine for Ruby. |
| 10 | 165,160 | 128,478 | rubysketch-solitaire | Solitaire game made with RubySketch. |
| 11 | 180,861 | 38,986 | reflex-terminal | Provides Reflex::Terminal, a headless terminal emulator model built on libghostty-vt, a... |
| 12 | 187,483 | 52,390 | reflex-packager | CLI tool to package Reflex applications as native macOS application bundles. |
| 13 | 187,807 | 44,565 | rays-video | Video encoding/decoding with audio support using Rays and Beeps. |