Free online biodiversity encyclopedia, with hundreds of thousands of new images and specimen data as to build a web page for each of the 1.9 million recognized species.
Wikibooks is dedicated to developing and disseminating free, open content textbooks and other classroom texts. We currently host 5666 textbook modules, in various stages of development, from those needing a lot of work to those that are nearly perfect.
a taggable, reusable, non-linear personal web notebook, a modification by JodyFoo of JeremyRuston's OpenSourceLicensed TiddlyWiki. The modification adds non-hierarchical organisation of Tiddlers through tags.
an open, free directory of species. This will cover animalia, plantae, fungi, bacteria, archaea, protista and all other forms of life to the extent that our users allow us.
a free MicroContent WikiWikiWeb created by JeremyRuston and a busy Community of independent developers. It's written in HTML, CSS and JavaScript to run on any modern browser without needing any ServerSide logic.