| 1 | 3,920 | 3,685 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,529 | 4,256 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 33,692 | 31,168 | xmlparsable | Simple declarative XML parsing |
| 4 | 36,840 | 28,050 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 121,939 | 100,773 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 130,218 | 100,773 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 165,609 | 100,773 | forall | Ruby generative property test library (ala QuickCheck) |
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