| 1 | 3,825 | 3,355 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,493 | 3,810 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 37,573 | 45,991 | xmlparsable | Simple declarative XML parsing |
| 4 | 39,513 | 35,742 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 130,507 | 112,004 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 138,337 | 112,004 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 174,231 | 112,004 | forall | Ruby generative property test library (ala QuickCheck) |
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