| 1 | 1,460 | 4,530 | extlib | Support library for Merb |
| 2 | 2,523 | 4,627 | moped | A MongoDB driver for Ruby. |
| 3 | 6,837 | 12,072 | datamapper | Faster, Better, Simpler. |
| 4 | 13,646 | 19,389 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 39,010 | 52,733 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 63,777 | 84,840 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 7 | 65,226 | 84,840 | haml-server | Server for HAML files |
| 8 | 82,153 | 105,358 | tiff | Ruby wrapper for libtiff with FFI |
| 9 | 89,874 | 105,358 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 118,346 | 168,370 | harbor | Harbor Framework |
| 11 | 125,925 | 105,358 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 132,066 | 136,377 | ttf2eot | Convert TTF fonts to EOT fonts |
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