| 1 | 3,783 | 3,220 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,430 | 3,730 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 35,833 | 81,713 | xmlparsable | Simple declarative XML parsing |
| 4 | 38,159 | 81,713 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 126,647 | 81,713 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 133,922 | 81,713 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 169,624 | 81,713 | forall | Ruby generative property test library (ala QuickCheck) |