| 1 | 1,739 | 2,319 | extlib | Support library for Merb |
| 2 | 2,919 | 4,997 | moped | A MongoDB driver for Ruby. |
| 3 | 7,896 | 12,065 | datamapper | Faster, Better, Simpler. |
| 4 | 15,122 | 13,858 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 41,467 | 25,513 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 54,516 | 19,705 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 66,970 | 55,083 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 68,120 | 42,349 | haml-server | Server for HAML files |
| 9 | 92,550 | 55,083 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 120,909 | 55,083 | harbor | Harbor Framework |
| 11 | 129,006 | 87,276 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 132,614 | 55,083 | ttf2eot | Convert TTF fonts to EOT fonts |
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