| 1 | 3,820 | 5,352 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,495 | 5,488 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 37,302 | 55,182 | xmlparsable | Simple declarative XML parsing |
| 4 | 39,279 | 87,723 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 130,049 | 55,182 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 137,788 | 87,723 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 173,760 | 87,723 | forall | Ruby generative property test library (ala QuickCheck) |