Community applications

Facebook is one of the most popular social networks that connects people with friends, old classmates, colleagues and others.

Personality matching of couples on 29 dimensions that determine long-term success.

Business-oriented social networking site to connect with past and present colleagues. Find career opportunities and get answers from industry experts.

CubeTree offers enterprise collaboration tools including wikis, blogs, polls, file sharing and link sharing.

Smibs business network and software products help you connect, share, collaborate and get things done.

Classmates.com enable users to locate and interact with acquaintances from high school and college.

Yahoo! Personals is the world's second largest online dating service.

100% Free online dating and matchmaking service for singles.

PeopleJar is a search platform for individuals and organizations to be found and find others by specific attributes for any interest or profession.

StartupNation is a community of entrepreneurs where you will find practical information to start and grow your own successful business.