http://portal.friendika.com/features
Friendika is a distributed social network application which runs on commodity hosting platforms – PHP/MySQL/Apache. (If you can install Drupal or WordPress you can probably install Friendika)
A single Friendika installation supports up to several thousand members.
Every Friendika installation can connect with any other to create a social networkwithout limits. (And one that nobody can own or control).
Friendika can also connect to your friends in other social networks – such as Status.Net, identi.ca, GNU-social, and Google Buzz. The list of supported networks is growing.
Standard features include:
- Micro-blogging (status updates)
- Photo sharing
- YouTube video sharing
- Simple but thorough privacy controls:
- Access any item by user and/or group
- Participate in private conversation groups
- Send private “email” to friends
- Private profiles – assignable to individual friends
- Opt-in to site and global directory
- Photo tagging
- Like/Dislike
- Multiple profiles
- Rich profiles
- OpenID
- Create Group/Celebrity/Fan pages
- Ability to “ignore” or completely block any contact
- Supports one-way relationships
- Photo albums and collections
- Rich-text editing
- “Unlimited” item posting length
- Location sharing/geotagging
- Membership and friend restrictions by domain or email address if a closed network is desired
- Zero maintenance, with no special “admin” privilege
- BSD license
- Much, much more…