| 1 | 35,017 | 77,202 | rtype | The fastest type checking gem |
| 2 | 42,508 | 77,202 | rtype-native | C native extension for Rtype |
| 3 | 45,844 | 98,642 | rtype-java | Java extension for Rtype |
| 4 | 85,697 | 128,013 | rtype-legacy | Rtype for old ruby (1.9+) |
| 5 | 105,229 | 128,013 | rtype-legacy-java | Java extension for rtype-legacy |
| 6 | 109,337 | 128,013 | rtype-legacy-native | C native extension for rtype-legacy |
| 7 | 123,882 | 98,642 | class-enum | 'classial' enum for Ruby |
| 8 | 126,766 | 128,013 | rb_event | Simple event library. You can use event in Ruby like AS3, .Net |
| 9 | 151,171 | 128,013 | rolify_hier | The very simple role hierarchy library for rolify. fin |
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