- Bonnex Dolphin http://www.boonex.com/
- Jcow http://www.jcow.net/
- Elgg http://elgg.org/
- Tufat osDate http://www.tufat.com/s_free_dating_system.htm
- OXWALL http://www.oxwall.org/
I would suggest Boonex Dolphin or OXWALL.
JCOW seemed good, and I have it installed, but cannot find the link for the admin panel anywhere.
many web site and companies provide us free scripts
you will share your mind