http://www.alexa.com
2. Third Voice
http://www.thirdvoice.com
3. Atomica
http://www.atomica.com
4. Infogate
http://www.infogate.com
5. Flyswat
http://www.flyswat.com
6. girafa
http://www.girafa.com
7. Odigo
http://www.odigo.com
8. Zapper
http://www.zapper.com
9. Hotbar.com
http://www.hotbar.com
10. jotter.com
http://www.jotter.com