| 1 | 35,300 | 115,350 | rtype | The fastest type checking gem |
| 2 | 42,916 | 115,350 | rtype-native | C native extension for Rtype |
| 3 | 46,254 | 115,350 | rtype-java | Java extension for Rtype |
| 4 | 86,325 | 80,058 | rtype-legacy | Rtype for old ruby (1.9+) |
| 5 | 105,931 | 115,350 | rtype-legacy-java | Java extension for rtype-legacy |
| 6 | 110,245 | 115,350 | rtype-legacy-native | C native extension for rtype-legacy |
| 7 | 124,493 | 115,350 | class-enum | 'classial' enum for Ruby |
| 8 | 127,926 | 115,350 | rb_event | Simple event library. You can use event in Ruby like AS3, .Net |
| 9 | 152,234 | 115,350 | rolify_hier | The very simple role hierarchy library for rolify. fin |
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