SocialEngine.net/ is social network software that helps you build your own customized community websites. Start simple, or go feature-rich with plugins.
XIHA connects the people of the world through a multilingual, cross-cultural exchange. Simultaneous, real-time translation allows XIHA citizens to share travel tips, pictures, music, videos, games, knowledge and perspectives.
Appleseed is the first open source, fully decentralized social networking software.
Protect your privacy
Move around without losing friends
Support open standards
Want to save or analyse all the tweets which used a particular hashtag? Enter a hashtag below to get a list of all the tweets which referenced it, to download as a CSV spreadsheet or share with friends or colleagues - great for post-event analysis. No logins or spam tweets involved, promise.
All about the Diaspora* social network. Diaspora is the social network that puts you in control of your information, while offering you an awesome new social networking experience! Built to make a change, Diaspora is paving the way to a more open social networking experience for everyone.
App.net is an ad-free, subscription-based social feed and API. App.net aims to be the backbone of the social web through infrastructure that developers can use to build applications and that members can use for meaningful interactions. App.net launched in August of 2012. It's owned and operated by Mixed Media Labs.
The Twitter Dictionary aka Twittonary provides explanations of various Twitter related words. You can search the entire Twitter Dictionary or by single word using their letter of the alphabet
Everything kept in one place. A copy of everything you said or shared, every photo you posted, every friend you made, all safe in a personalised library on your computer forever. With SocialSafe you can see the whole story of you, one that you own and control."