LinkedIn

LinkedIn is seen as a prime professional networking service, for connecting with others professionally as well as for finding jobs. Its range of groups is also considered valuable.

Cost: Free and premium plans
Available: Hosted
Website: https://www.linkedin.com/
Categories:  socialnetworks

Ranking on Top 100 Tools for Learning 2015: 14  See more at http://c4lpt.co.uk/top100tools/linkedin/