| 1 | 4,029 | 7,639 | spinach | Spinach is a BDD framework on top of gherkin |
| 2 | 15,216 | 15,907 | kleisli | Usable, idiomatic common monads in Ruby |
| 3 | 29,147 | 47,819 | stendhal | Stendhal is a really simple test framework. |
| 4 | 33,861 | 59,042 | pelusa | Static analysis Lint-type tool to improve your OO Ruby code |
| 5 | 42,430 | 35,503 | adts | Abstract Data Types for Ruby |
| 6 | 51,840 | 30,171 | domodoro | Distributed Pomodoro for the masses |
| 7 | 52,219 | 37,922 | hijacker | Spy on your ruby objects and send their activity to a hijacker server anywhere through DRb |
| 8 | 54,844 | 143,427 | brainfuck | An implementation of Brainfuck on the Rubinius VM. |
| 9 | 58,057 | 43,891 | niki | A DSL to describe and play structured musical pieces, i.e. songs |
| 10 | 62,193 | 92,912 | memetalk | Send auto-generated memes to Talkerapp rooms! |
| 11 | 63,722 | 92,912 | mayl | A console to create, edit and maintain YAML files in any kind of Ruby projects |
| 12 | 66,000 | 19,147 | a-gem | th fstst tstng frmwrk. |
| 13 | 93,652 | 52,803 | fastest | th fstst tstng frmwrk. |
| 14 | 94,638 | 111,035 | micetrap | Catch evil hackers on the fly by placing open-port traps emulating fake vulnerable serv... |
| 15 | 98,055 | 111,035 | rpn | A simple Reverse Polish Notation calculator in Ruby |
| 16 | 101,449 | 77,741 | springpad | Command-line client for Springpad. |
| 17 | 104,340 | 59,042 | txus-aversion | Make your Ruby objects versionable |
| 18 | 122,880 | 77,741 | yo | Street-oriented programming in Ruby |
| 19 | 125,013 | 111,035 | guard-stendhal | Guard::Stendhal automatically runs your specs with stendhal |
| 20 | 125,966 | 111,035 | rexpl | Rexpl is an interactive bytecode console for Rubinius |
| 21 | 129,665 | 92,912 | explain | Explain explains your Ruby code in natural language. |
| 22 | 137,733 | 111,035 | minitest-descriptive | Make your assertion diffs smarter |
| 23 | 138,203 | 67,069 | traitor | Traits for Ruby: like mixins, but better |
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