| 1 | 4,991 | 4,163 | rantly | Ruby Imperative Random Data Generator and Quickcheck |
| 2 | 22,677 | 50,715 | let | Same as RSpec's let |
| 3 | 88,076 | 83,278 | dress | Inspired by the horror of XSLT |
| 4 | 91,677 | 122,573 | comalisp | A dialect of Lisp. Fully Compatible with Ruby. |
| 5 | 97,179 | 50,715 | rubish | Ruby Interactive Shell |
| 6 | 101,287 | 50,715 | ASS | Asynchronous Service Stages for Distributed Services |
| 7 | 120,691 | 122,573 | donkey | Asynchronous Service Stages for Distributed Services |
| 8 | 124,905 | 122,573 | matchmaker | A pattern matching library |
| 9 | 127,810 | 62,503 | redmiso | Neato |
| 10 | 129,337 | 122,573 | command-t-standalone | CommandT finder as standalone gem |