| 1 | 1,568 | 3,991 | extlib | Support library for Merb |
| 2 | 2,633 | 5,051 | moped | A MongoDB driver for Ruby. |
| 3 | 7,130 | 16,068 | datamapper | Faster, Better, Simpler. |
| 4 | 14,180 | 86,038 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 40,068 | 86,038 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 65,055 | 35,920 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 7 | 66,428 | 35,920 | haml-server | Server for HAML files |
| 8 | 77,205 | 21,532 | tiff | Ruby wrapper for libtiff with FFI |
| 9 | 91,236 | 53,556 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 119,782 | 53,556 | harbor | Harbor Framework |
| 11 | 127,344 | 86,038 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 133,548 | 86,038 | ttf2eot | Convert TTF fonts to EOT fonts |
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