| 1 | 3,777 | 3,356 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,432 | 3,978 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 35,714 | 55,395 | xmlparsable | Simple declarative XML parsing |
| 4 | 38,068 | 123,013 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 126,433 | 88,108 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 134,081 | 88,108 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 169,504 | 67,890 | forall | Ruby generative property test library (ala QuickCheck) |