| 1 | 27,550 | 45,411 | rhapsody | A Ruby interface to the Rhapsody API. |
| 2 | 42,532 | 41,075 | simplate | Simplate generates a perfect directory structure for a well organized Ruby app |
| 3 | 46,946 | 28,518 | fourchan-urler | Provide the thread number and board information given 4chan url |
| 4 | 68,478 | 34,723 | fourchanify | Download images from 4chan to your computer given a thread url |
| 5 | 148,361 | 130,063 | unsorted | A simple gem that gives you an unsorted numeric array |
| 6 | 181,261 | 27,729 | compounding | Calculate compound interest |
| 7 | 181,271 | 159,819 | us_income_tax | Calculate US federal income tax. The gem can calculate how much tax should be paid for ... |
| 8 | 182,742 | 54,280 | mortgagerb | Calculate periodic payment given principal, rate and mortgage type |
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