Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and Web sites.
A free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus.
Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos.
Bartleby publishes thousands of free online classics of reference, literature and nonfiction.
Online research library with access to books, journals, articles, and encyclopedias plus helpful citation tools. Faster, better research with Questia!
The new, better version of Wikipedia.
The Encyclopedia of Life is an unprecedented effort to gather scientific knowledge about all animal and plant life where pictures, information, facts, and mo...
Mar 25, 2014 ... Scholarpedia header. Welcome to Scholarpedia .... Retrieved from "http://www.scholarpedia.org/w/index.
The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.
Scan, manage and control which apps can access your personal information.
GSMArena.com - The ultimate resource for GSM handset information
Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back.
Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. Never email yourself a file again!
Product troubleshooting support, DIY advice, and help from experts & local pros. Ask questions and get answers to fix, repair, and service any product.