| 1 | 3,810 | 2,668 | cantor | Fast implementation of finite and complement sets in Ruby |
| 2 | 4,450 | 3,380 | stupidedi | Ruby API for parsing and generating ASC X12 EDI transactions |
| 3 | 35,385 | 26,688 | xmlparsable | Simple declarative XML parsing |
| 4 | 37,977 | 29,770 | piggly | PostgreSQL PL/pgSQL stored procedure code coverage |
| 5 | 125,374 | 97,101 | fr | Examples of immutable data structures and functional programming in Ruby |
| 6 | 133,470 | 97,101 | propr | Property-based testing for Ruby (ala QuickCheck) |
| 7 | 168,794 | 112,400 | forall | Ruby generative property test library (ala QuickCheck) |
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