| 1 | 1,893 | 5,110 | extlib | Support library for Merb |
| 2 | 3,109 | 3,668 | moped | A MongoDB driver for Ruby. |
| 3 | 8,319 | 23,618 | datamapper | Faster, Better, Simpler. |
| 4 | 16,049 | 89,752 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 42,883 | 41,131 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 55,329 | 55,240 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 69,340 | 41,131 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 70,413 | 89,752 | haml-server | Server for HAML files |
| 9 | 95,005 | 89,752 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 123,604 | 55,240 | harbor | Harbor Framework |
| 11 | 133,032 | 89,752 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 135,525 | 89,752 | ttf2eot | Convert TTF fonts to EOT fonts |
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