| 1 | 1,760 | 2,120 | extlib | Support library for Merb |
| 2 | 2,936 | 5,437 | moped | A MongoDB driver for Ruby. |
| 3 | 7,920 | 13,498 | datamapper | Faster, Better, Simpler. |
| 4 | 15,166 | 19,146 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 41,488 | 35,238 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 54,306 | 27,013 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 66,980 | 62,843 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 68,153 | 88,565 | haml-server | Server for HAML files |
| 9 | 92,575 | 112,136 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 120,926 | 149,536 | harbor | Harbor Framework |
| 11 | 129,159 | 149,536 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 132,564 | 149,536 | ttf2eot | Convert TTF fonts to EOT fonts |
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