| 1 | 3,540 | 2,875 | city-state | Useful to make forms and validations. It uses MaxMind database. |
| 2 | 7,462 | 7,465 | piet-binary | - |
| 3 | 22,642 | 15,660 | rb2exe | Ruby to EXE - Turn ruby scripts into portable executable apps. |
| 4 | 35,908 | 37,231 | ruby-safenet | Ruby library for accessing the SAFE network |
| 5 | 70,451 | 83,587 | wikirofs | A virtual filesystem to mount wikipedia. |
| 6 | 111,965 | 170,334 | codefly | Execute parallel / asynchronous code in Rails, in a easy way |
| 7 | 148,692 | 114,934 | redis-file | Fake (local file) driver for redis-rb. Useful for development environment and machines ... |
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