| 1 | 87,675 | 117,132 | baobab | ID3 decision trees for machine learning in Ruby |
| 2 | 95,438 | 73,587 | eksek | Execute shell commands and easily get stdout, stderr, exit code, and more |
| 3 | 110,391 | 131,144 | carmenere | Cluster algorithms |
| 4 | 115,517 | 104,717 | forty-two | If you ever wondered why 1 + 1 isn't 42, this is your chance to do something about it. |
| 5 | 116,542 | 131,144 | probaberry | Do probabily homework with irb! |
| 6 | 143,717 | 147,182 | autohash | Hashes where keys can be automatically calculated based on the value inserted |
| 7 | 154,867 | 147,182 | redpanda | Red panda! |
| 8 | 155,199 | 161,562 | usearchtree | Uninformed search trees! |
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