| 1 | 3,627 | 4,368 | city-state | Useful to make forms and validations. It uses MaxMind database. |
| 2 | 6,618 | 47,447 | piet-binary | - |
| 3 | 21,331 | 57,074 | rb2exe | Ruby to EXE - Turn ruby scripts into portable executable apps. |
| 4 | 34,301 | 102,580 | ruby-safenet | Ruby library for accessing the SAFE network |
| 5 | 70,124 | 102,580 | wikirofs | A virtual filesystem to mount wikipedia. |
| 6 | 108,008 | 57,074 | codefly | Execute parallel / asynchronous code in Rails, in a easy way |
| 7 | 142,751 | 102,580 | redis-file | Fake (local file) driver for redis-rb. Useful for development environment and machines ... |
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