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

Offers online photo sharing. Users can securely and privately show photos to friends and family, or weblog the photos taken with a camera phone.

Enables the creation of a family tree, and a profile, which can be shared with family and friends.

A mobile social network. Users can share favorite places, explore friend's travels on the web or from a mobile, upload photos, write a mobile weblog, instant message, and flirt.

Devoted to the subject of climate change, users share thoughts, ask questions, and post videos and images. Create a personal eco-profile and calculate a carbon footprint.

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

Allows its users to find, enjoy and share content.

Allows users to send messages, leave comments, browse photos, watch videos, play games, give tags and chat.

An invitation only site that ensures all contacts entering the system are trusted by at least one or more members in the network. Members share career opportunities and interact with others.

Users have access to a profile page, photos, drawings and images uploading, an avatar, neighborhoods, and clubs.