A global social network that emphasizes friendship and the discovery of new people. Search for old friends and classmates, stay in touch with friends, share photos and videos. Also in Simplified and Traditional Chinese, and in Spanish.

General Anime, Manga, and video game discussions, a links database and a fan-art gallery. Lets members create and customize characters to represent themselves.

An online community that enables the user to interact with people, locally and worldwide. Includes personal pages, forums, messaging, photos and group listings.

Lists schools, colleges and universities from many countries and offers free registration and browsing. Members can list contact information, a brief biography, and other details, to reunite with former classmates.

An Interactive, collaborative and educational community bringing together individuals, communities, organizations and corporations to help people learn, act and receive rewards.

Offers videos, groups and forums as well as profile pages and classifieds. Based in Poland, available in several languages.

A community where users gets cards with an action to do to someone else to give them the card.

A worldwide community that provides its members with the ability to communicate and share their lives. Features include photo and video sharing.

A video, photo and journal based community that enables users to program dynamic multimedia communities around music and pop culture topics.

Members can create a profile and a guestbook, post pictures and send and receive messages. Create a clan or join one of the existing clans.