| 1 | 4,062 | 8,597 | spinach | Spinach is a BDD framework on top of gherkin |
| 2 | 15,294 | 17,120 | kleisli | Usable, idiomatic common monads in Ruby |
| 3 | 29,346 | 51,009 | stendhal | Stendhal is a really simple test framework. |
| 4 | 34,106 | 24,807 | pelusa | Static analysis Lint-type tool to improve your OO Ruby code |
| 5 | 42,724 | 67,534 | adts | Abstract Data Types for Ruby |
| 6 | 51,927 | 67,534 | domodoro | Distributed Pomodoro for the masses |
| 7 | 52,433 | 51,009 | hijacker | Spy on your ruby objects and send their activity to a hijacker server anywhere through DRb |
| 8 | 55,133 | 101,778 | brainfuck | An implementation of Brainfuck on the Rubinius VM. |
| 9 | 58,313 | 24,807 | niki | A DSL to describe and play structured musical pieces, i.e. songs |
| 10 | 62,575 | 35,658 | memetalk | Send auto-generated memes to Talkerapp rooms! |
| 11 | 64,044 | 67,534 | mayl | A console to create, edit and maintain YAML files in any kind of Ruby projects |
| 12 | 65,974 | 101,778 | a-gem | th fstst tstng frmwrk. |
| 13 | 93,944 | 67,534 | fastest | th fstst tstng frmwrk. |
| 14 | 95,141 | 67,534 | micetrap | Catch evil hackers on the fly by placing open-port traps emulating fake vulnerable serv... |
| 15 | 98,399 | 67,534 | rpn | A simple Reverse Polish Notation calculator in Ruby |
| 16 | 101,641 | 101,778 | springpad | Command-line client for Springpad. |
| 17 | 104,529 | 51,009 | txus-aversion | Make your Ruby objects versionable |
| 18 | 123,473 | 67,534 | yo | Street-oriented programming in Ruby |
| 19 | 125,384 | 101,778 | guard-stendhal | Guard::Stendhal automatically runs your specs with stendhal |
| 20 | 126,248 | 101,778 | rexpl | Rexpl is an interactive bytecode console for Rubinius |
| 21 | 129,953 | 101,778 | explain | Explain explains your Ruby code in natural language. |
| 22 | 138,245 | 67,534 | minitest-descriptive | Make your assertion diffs smarter |
| 23 | 138,283 | 67,534 | traitor | Traits for Ruby: like mixins, but better |