| 1 | 33,847 | 11,043 | rtype | The fastest type checking gem |
| 2 | 41,212 | 12,967 | rtype-native | C native extension for Rtype |
| 3 | 44,325 | 13,614 | rtype-java | Java extension for Rtype |
| 4 | 83,668 | 25,458 | rtype-legacy | Rtype for old ruby (1.9+) |
| 5 | 103,053 | 30,305 | rtype-legacy-java | Java extension for rtype-legacy |
| 6 | 107,050 | 30,305 | rtype-legacy-native | C native extension for rtype-legacy |
| 7 | 122,148 | 63,432 | class-enum | 'classial' enum for Ruby |
| 8 | 123,516 | 41,916 | rb_event | Simple event library. You can use event in Ruby like AS3, .Net |
| 9 | 148,257 | 41,916 | rolify_hier | The very simple role hierarchy library for rolify. fin |
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