October 2009
![](http://blogmarks.net/screenshots/2014/01/24/80e661f28a8f9fb62b4003af90fad6ed.png)
Check Username Availability at Multiple Social Networking Sites
by 7 othersCheck to see if your desired username or vanity url is still available at dozens of popular Social Networking and Social Bookmarking websites
KnowEm Username Check | knowem.com
by 2 othersSearch over 340 popular social media networks to instantly secure your brand across the social web.
October 2008
![](http://blogmarks.net/screenshots/2009/02/10/cb6f44a272b41a64fc26108899792905.jpg)
Where is Your Username registered | usernamecheck.com
by 8 othersTrouver rapidement tous les services web utiliser par un username donné
1
(3 marks)