| 1 | 1,866 | 3,658 | extlib | Support library for Merb |
| 2 | 3,064 | 3,905 | moped | A MongoDB driver for Ruby. |
| 3 | 8,191 | 9,952 | datamapper | Faster, Better, Simpler. |
| 4 | 15,816 | 15,157 | akephalos | Headless Browser for Integration Testing with Capybara |
| 5 | 42,352 | 30,884 | rails_datamapper | Rails Plugin for DataMapper |
| 6 | 54,591 | 30,884 | tiff | Ruby wrapper for libtiff with FFI |
| 7 | 68,478 | 49,580 | mail_builder | MailBuilder is a simple library for building RFC compliant MIME emails. |
| 8 | 69,535 | 49,580 | haml-server | Server for HAML files |
| 9 | 93,957 | 25,459 | testdrive | TestDrive is a simple ruby and jruby compatible automatic test runner. |
| 10 | 122,499 | 49,580 | harbor | Harbor Framework |
| 11 | 131,607 | 49,580 | uninhibited | This rubygem does not have a description or summary. |
| 12 | 134,236 | 49,580 | ttf2eot | Convert TTF fonts to EOT fonts |
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