| 1 | 90,901 | 151,049 | baobab | ID3 decision trees for machine learning in Ruby |
| 2 | 97,578 | 46,027 | eksek | Execute shell commands and easily get stdout, stderr, exit code, and more |
| 3 | 111,675 | 151,049 | carmenere | Cluster algorithms |
| 4 | 118,833 | 115,750 | forty-two | If you ever wondered why 1 + 1 isn't 42, this is your chance to do something about it. |
| 5 | 119,782 | 151,049 | probaberry | Do probabily homework with irb! |
| 6 | 147,815 | 151,049 | autohash | Hashes where keys can be automatically calculated based on the value inserted |
| 7 | 158,265 | 151,049 | redpanda | Red panda! |
| 8 | 160,483 | 151,049 | usearchtree | Uninformed search trees! |