| 1 | 1,585 | 4,470 | extlib | Support library for Merb |
| 2 | 2,651 | 3,839 | moped | A MongoDB driver for Ruby. |
| 3 | 7,171 | 11,358 | datamapper | Faster, Better, Simpler. |
| 4 | 14,265 | 41,086 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 40,204 | 61,367 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 65,234 | 29,456 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 7 | 66,589 | 61,367 | haml-server | Server for HAML files |
| 8 | 76,337 | 12,946 | tiff | Ruby wrapper for libtiff with FFI |
| 9 | 91,426 | 41,086 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 120,010 | 61,367 | harbor | Harbor Framework |
| 11 | 127,567 | 61,367 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 133,750 | 61,367 | ttf2eot | Convert TTF fonts to EOT fonts |
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