Public Social Networks & Micro-Sharing Platforms

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See also Group,, Project, Team, Community & Enterprise Collaboration Platforms

KEY: Top Tools for Learning 2015Free Tool


AlmostAt : Following people at real-world events in real-time. Hosted

Cirip : Micro-blogging platform (in Romanian). Hosted 

Facebook : A huge public social network with over 500 million members.  Private groups can be set up for different activities, and pages for businesses or other activities. Hosted 

Foursquare – Check in, find your friends, unlock your city. iPhone, Android and Blackberry apps available. Hosted.

Google+ : Social network Hosted : Public micro-blogging service.Hosted

Jaiku : Create your activity stream. Hosted

LinkedIn : Social network for professionals; groups can be set up. Hosted 

Plazes : Share your location and stay connected with your friends. Add people you trust and you want to be your contacts. See who’s crossing your path. Hosted

Orkut : An online community designed to make your social life more active and stimulating. Hosted

Quenchmark : A new social networking tool for open surveys and questions and answers. Hosted

Quora : A question and answer community. Hosted

Twitter : A global community of friends and colleagues. Hosted Here are some 3rd party Twitter Apps.

Upperz : Social networking site for professionals. Hosted

What do you want from them?: A social learning community for managers. Hosted

Xing : Social network for professionals with more than 10 million members worldwide Hosted