A personal blogging service where people share thoughts, photos, videos with friends and family.

Users can create, share and discuss blogs, photos, videos and music with others as well as post reviews of movies and books, or share a calendar of events.

Allows users to share photos with music, and blogs, and draw on members' White Boards.

A social microblogging service similar to Twitter, built on open source tools and open standards. Allows users to send text-based posts up to 140 characters long.

Users interact with each other by watching, posting, and sharing content of all media types, including blogs, photos, audio, and video.

Space for individuals, groups, or small businesses to share photos and videos, open a store, and build a member community.

Offers profile listing, discussion groups and a place to arrange free accommodations around the world.

Connects activists from around the world, with member profiles, news stories and blogs to facilitate social networking, petition and donation drives and email.

Shopping community where people recommend and discover new things.

A network of people around the world who offer accommodation, advice and help for travelers. Free membership.