MyWikiBiz is a directory where you can author your legacy on the Internet. We think you are notable, even if Wikipedia has rejected an article about you or your enterprise as being “non-notable”. With MyWikiBiz, you create a beautiful, reader-friendly page that will get picked up by Google, Yahoo!, and MSN Search engines.
CrunchBase is the free directory of technology companies, people, and investors that anyone can edit.
Wired How-To Wiki is a collaborative site filled with all kinds of projects, hacks, tricks and tips. Anyone can contribute new items or edit an existing item, so the articles are only as good as you make them.
Wetpaint powers websites that tap the power of collaborative thinking. The heart of the Wetpaint advantage is its ability to allow anyone — especially those without technical skill — to create and contribute to websites written for and by those who share a passion or interest. To do this, Wetpaint combines the best aspects of wikis, blogs, forums and social networks so anyone can click and type on the web.