| 1 | 4,987 | 5,547 | rantly | Ruby Imperative Random Data Generator and Quickcheck |
| 2 | 22,559 | 57,688 | let | Same as RSpec's let |
| 3 | 87,927 | 114,730 | dress | Inspired by the horror of XSLT |
| 4 | 91,517 | 79,073 | comalisp | A dialect of Lisp. Fully Compatible with Ruby. |
| 5 | 97,031 | 114,730 | rubish | Ruby Interactive Shell |
| 6 | 101,074 | 114,730 | ASS | Asynchronous Service Stages for Distributed Services |
| 7 | 120,466 | 79,073 | donkey | Asynchronous Service Stages for Distributed Services |
| 8 | 124,664 | 57,688 | matchmaker | A pattern matching library |
| 9 | 127,734 | 45,399 | redmiso | Neato |
| 10 | 129,177 | 114,730 | command-t-standalone | CommandT finder as standalone gem |