| API | Description | Category | |
|---|---|---|---|
| Bit.ly | URL shortening service | Internet | 2008-07-13 |
| G8L.US | URL shortening service | Internet | 2008-02-10 |
| IPloc | IP address lookup services | Internet | 2008-08-21 |
| Litmus | Cross-browser compatibility testing | Other | 2008-01-06 |
| Ning | Service creation playground | Other | 2005-10-11 |
| Notely | Academic notes and calendar service | Utility | 2007-12-30 |
| SlimTimer | Personal task timer | Utility | 2007-02-04 |
| stikkit | Little sticky notes that think | Utility | 2007-02-04 |
| TimesURL | URL shortening service | Internet | 2008-08-02 |
| Tinylink | URL shortening service | Internet | 2007-10-25 |
| Urloid | Short URL service | Utility | 2007-12-06 |
| Virtuoso Sponger Proxy | RDF proxy service | Internet | 2008-08-14 |
| World Time Engine | World clock and time zone service | Utility | 2008-02-27 |