- http://addmefast.com/
- http://like-ex.com/
- http://www.like4like.org/
- http://www.youlikehits.com/stats.php
- http://www.pearltrees.com/
- http://www.social-exchange.net/
- http://twiends.com/
- http://www.linkcollider.com/
- http://traffup.net/
- http://shareyt.com/
For Google
- http://plusonespro.com/
- http://plusexchange.info/
“Image courtesy of [smarnad] / FreeDigitalPhotos.net”.