| 1 | 1,705 | 3,155 | extlib | Support library for Merb |
| 2 | 2,839 | 4,695 | moped | A MongoDB driver for Ruby. |
| 3 | 7,719 | 7,693 | datamapper | Faster, Better, Simpler. |
| 4 | 14,880 | 23,630 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 41,232 | 26,464 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 55,980 | 62,384 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 66,249 | 75,055 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 67,841 | 68,364 | haml-server | Server for HAML files |
| 9 | 92,477 | 62,384 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 121,081 | 102,910 | harbor | Harbor Framework |
| 11 | 128,073 | 82,692 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 134,133 | 102,910 | ttf2eot | Convert TTF fonts to EOT fonts |
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