The 1940 census records were released by the US National Archives April 2, 2012, and brought online through a partnership with Archives.com. This website allows you full access to the 1940 census images, in addition to 1940 census maps and descriptions.
Online American Sign Language dictionary.
Planning international online meetings or events? This site offer tools to help everyone figure out what time it is.
Be sure to click on "Examples" to get ideas about the many ways to use this site.
Free ebooks, available in various formats for download, and can also be read online. Good place to find the classics.