Below is a list of websites like Classmates / services like / similar to Classmates :
The company's online social networking Web sites enable users to locate and interact with acquaintances from high school, college, work and the military. Led by its flagship Classmates Web site in the United States (www.classmates.com), the company serves more than 40 million registered accounts, including 3.5 million pay accounts as of March 31, 2008. Members have contributed to the company's social networking Web sites a substantial amount of distinct, relevant pieces of content that helps attract new social networking members and returning Web site visits from existing members. .