| 1 | 3,824 | 3,438 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,490 | 3,900 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 37,412 | 105,941 | xmlparsable | Simple declarative XML parsing |
| 4 | 39,393 | 105,941 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 130,204 | 105,941 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 138,026 | 105,941 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 173,926 | 105,941 | forall | Ruby generative property test library (ala QuickCheck) |