| 1 | 89,122 | 114,730 | baobab | ID3 decision trees for machine learning in Ruby |
| 2 | 96,048 | 79,073 | eksek | Execute shell commands and easily get stdout, stderr, exit code, and more |
| 3 | 109,551 | 114,730 | carmenere | Cluster algorithms |
| 4 | 116,787 | 114,730 | forty-two | If you ever wondered why 1 + 1 isn't 42, this is your chance to do something about it. |
| 5 | 117,745 | 79,073 | probaberry | Do probabily homework with irb! |
| 6 | 145,394 | 114,730 | autohash | Hashes where keys can be automatically calculated based on the value inserted |
| 7 | 155,903 | 114,730 | redpanda | Red panda! |
| 8 | 157,913 | 114,730 | usearchtree | Uninformed search trees! |