| 1 | 1,856 | 4,501 | extlib | Support library for Merb |
| 2 | 3,050 | 3,864 | moped | A MongoDB driver for Ruby. |
| 3 | 8,174 | 9,504 | datamapper | Faster, Better, Simpler. |
| 4 | 15,775 | 16,348 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 42,248 | 46,492 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 54,396 | 106,124 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 68,316 | 59,868 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 69,387 | 70,356 | haml-server | Server for HAML files |
| 9 | 93,760 | 106,124 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 122,235 | 106,124 | harbor | Harbor Framework |
| 11 | 131,164 | 84,476 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 133,829 | 144,706 | ttf2eot | Convert TTF fonts to EOT fonts |
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