| Name | Description/Focus | Registered users | Registration |
| Bahu | General, was popular in France, Belgium and elsewhere in Europe | &0000000001000000.0000001,000,000[1] | Open to people aged 13–25 |
| Bolt.com | | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open |
| Capazoo | | &0000000000230000.000000230,000 | Open |
| eConozco | | | Open |
| Mugshot | Social network aggregator from RedHat, with compatible desktop software and an official Firefox plugin | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open |
| Pownce | Microblogging application (similar to Twitter) | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open |
| Sixdegrees.com | | &0000000000230000.000000230,000 | Open |
| Yahoo! 360° | Linked to Yahoo! IDs, unsupported. Still available at Yahoo! Vietnam.[2] | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open to people 18 and older, (Yahoo! login) |
| Yahoo! Kickstart | Linked to Yahoo! IDs. Connecting students & Alumni | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open to students and alumni at specific colleges and universities (Yahoo! login) |
| Yahoo! Mash | Linked to Yahoo! IDs, unsupported | &-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1.000000 | Open to people 18 and older, (Yahoo! login) |
