Wikimedia Commons - Firefox Addon is a repository of educational media files that are public-domain or freely-licensed, and can be used by anyone. Whether you are a Wikimedian looking for images to illustrate an entry or someone looking for quality files to use outside of Wikimedia, this tool will come in handy
Simple English Wikipedia - Firefox Addon - The Simple English Wikipedia is an easy-to-read encyclopedia, for when the information in the English Wikipedia is just too complex or more than you needed. This plugin makes it easier to search this site for information. One click and it is installed and ready for use
