"CafeMom is an online community created especially for moms. Since its launch in November 2006, thousands of moms have come together online to swap stories and advice on a huge range of topics, share photos, and con ...

"The premise of Care2 is simple: One person can make a difference.

Whether you’re passionate about green living, health, human rights or protecting the environment, Care2 puts the tools for change in your hands. ...

"Join Catster, a free community of thousands of cat lovers. Share photos, stories, videos, diaries, news and more. Make a webpage, learn in our forums, meet others like yourself in our groups."

"Each Cellblock comes with its own unique email address and upload capability. Anyone with the email address or upload permissions can contribute photos and video to the Cellblock using their camera phone or compute ...

"Change.org is a social network for social activism, incorporating nonprofits, politicians, and people across the globe."

"Change.org aims to transform social activism by serving as the central ...

"Chime.TV aggregates millions of videos from across the web to create a tv-like experience within your browser. With over 20 editorially-programmed channels, you can get started right away watching everything from docume ...

"Classmates Online, Inc., founded in 1995 and based in Renton, WA, is a leader in online social networking. The company operates Classmates.com (www.classmates.com), connecting millions of members throughout the U ...

"Clearspring is the leading provider of cross-platform widget services. Our goal is to make it easy to use content and services from across the Internet to weave personalized experiences. With our flagship service ...

"Clipmarks is a new way to save and share the interesting things you find on the web. Our free browser add-on lets you clip text, images and videos from inside web pages then save, blog, email and print what you cli ...

"ClipShack is a community for videophiles; a destination where people can post their video for general public viewing and comment, share clips with friends and family, post video to blogs, share information and feed ...