| 1 | 89,258 | 47,300 | baobab | ID3 decision trees for machine learning in Ruby |
| 2 | 96,112 | 43,160 | eksek | Execute shell commands and easily get stdout, stderr, exit code, and more |
| 3 | 109,729 | 60,679 | carmenere | Cluster algorithms |
| 4 | 117,012 | 96,394 | forty-two | If you ever wondered why 1 + 1 isn't 42, this is your chance to do something about it. |
| 5 | 117,885 | 147,652 | probaberry | Do probabily homework with irb! |
| 6 | 145,577 | 60,679 | autohash | Hashes where keys can be automatically calculated based on the value inserted |
| 7 | 156,072 | 116,087 | redpanda | Red panda! |
| 8 | 158,077 | 147,652 | usearchtree | Uninformed search trees! |
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