| 1 | 3,523 | 2,956 | city-state | Useful to make forms and validations. It uses MaxMind database. |
| 2 | 7,658 | 10,534 | piet-binary | - |
| 3 | 22,910 | 30,840 | rb2exe | Ruby to EXE - Turn ruby scripts into portable executable apps. |
| 4 | 36,241 | 50,800 | ruby-safenet | Ruby library for accessing the SAFE network |
| 5 | 70,836 | 39,648 | wikirofs | A virtual filesystem to mount wikipedia. |
| 6 | 111,533 | 75,382 | codefly | Execute parallel / asynchronous code in Rails, in a easy way |
| 7 | 149,949 | 60,205 | redis-file | Fake (local file) driver for redis-rb. Useful for development environment and machines ... |
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