| 1 | 2,625 | 8,524 | aws-s3 | Client library for Amazon's Simple Storage Service's REST API |
| 2 | 11,260 | 8,141 | twurl | Curl for the Twitter API |
| 3 | 26,354 | 31,379 | dhaka | An LALR1 parser generator written in Ruby |
| 4 | 58,265 | 70,356 | cmd | A generic class to build line-oriented command interpreters. |