Yahoo! Groups offers free mailing lists, photo & file sharing, group calendars and more. Discuss hot topics, share interests, join online communit...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections t...

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and th...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Google Apps Learning Center for new users to Google Apps. Here you can get started with Gmail, Google Calendar, Google Docs and Google Sites. Printabl...

See what your friends are reading. Keep track of what you

LibraryThing catalogs your books online, easily, quickly and for free.

The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to devel...

Empowering and connecting teachers, administrators, and parents with innovative solutions and resources to better education. Join the conversation to...

CrunchBase is the free database of technology companies, people, and investors that anyone can edit.