| Name | Description | Domain | Sample Image |
| HowStuffWorks - Learn how Everything Works! | Not quite everything but close enough. | howstuffworks.com | |
| ibiblio.org | Home to one of the largest "collections of collections" on the Internet, ibiblio.org is a conservancy of freely available information, including software, music, literature, art, history, science, politics, and cultural studies. ibiblio.org is a collaboration of the Center for the Public Domain and the University of North Carolina at Chapel Hill. | ibiblio.org | |
| worldhistory.com | WorldHistory.com is building the largest multimedia database of geo-coded historical events in the world. | worldhistory.com | |
| Cool Jargon of the Day | Serving Hacker Jargon to the Internet since Jan 1995 | jargon.net | |
| Tricky Words | Common Rules | Commonly Misused Words | Commonly Misspelled Words | cmu.edu | |
| dictionary/ | Look it up! | ||
| origins and meanings/ | Origins of words and phrases | ||
| translation/ | Online translators |