| 1 | 3,819 | 3,288 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,495 | 3,615 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 37,271 | 36,311 | xmlparsable | Simple declarative XML parsing |
| 4 | 39,251 | 67,605 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 129,997 | 43,450 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 137,734 | 67,605 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 173,722 | 67,605 | forall | Ruby generative property test library (ala QuickCheck) |