| 1 | 3,782 | 3,187 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,444 | 3,841 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 35,516 | 126,808 | xmlparsable | Simple declarative XML parsing |
| 4 | 37,984 | 37,232 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 125,911 | 126,808 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 133,639 | 101,252 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 169,144 | 126,808 | forall | Ruby generative property test library (ala QuickCheck) |