| 1 | 1,726 | 3,880 | extlib | Support library for Merb |
| 2 | 2,908 | 5,431 | moped | A MongoDB driver for Ruby. |
| 3 | 7,862 | 12,551 | datamapper | Faster, Better, Simpler. |
| 4 | 15,073 | 16,484 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 41,516 | 67,890 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 54,731 | 18,156 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 66,945 | 88,108 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 68,146 | 88,108 | haml-server | Server for HAML files |
| 9 | 92,709 | 123,013 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 121,145 | 123,013 | harbor | Harbor Framework |
| 11 | 128,958 | 123,013 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 133,126 | 88,108 | ttf2eot | Convert TTF fonts to EOT fonts |
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