Bloggers, we need to work on welcoming folks to the Internet and that includes sharing our tools. I encourage you to share your most useful tools and websites with your readers. Tag it bestoftheweb
Let me start by saying, I know I?ll forget something, but here is my list.

Welcome to the Consortium for School Networking (CoSN) Small District Technology Leadership wiki.
The Consortium for School Networking (CoSN) is the country's premier voice for K-12 education leaders who use technology strategically to improve teaching and learning. The objective of this wiki is to provide a space for collaborative work around topics regarding effective planning for and use and implementation of technology.
There are a variety of sources on this wiki. CoSN, in conjunction with a grant from SRI International and support from the National Technology Activities contract with the U.S. Department of Education, has created the Small District Technology Leadership wiki to support systematic planning at the local level for district- and school-based technologies. The objective of this project is to develop a set of resources that fits the needs of small school districts, those with student populations of 2,500 or less. The content may prove useful for any district but is particularly focused on the specific needs and challenges of small school districts.
Welcome to Wikibooks, a Wikimedia project that was started on July 10, 2003 with the mission to create a free collection of open-content textbooks that anyone can edit. Since our founding, volunteers have written about 27,501 modules in a multitude of textbooks.
The central place to ask questions or discuss ideas is the Reading Room (this is the equivalent to Wikipedia?s Village Pump; Wikipedians may wish to read our primer before getting started). See also the mailing list.
If you?re an instructor planning on using Wikibooks for a class project, please read our guidelines for class projects.
This is a helpful page describing the editing syntax of Mediawiki.
Welcome to the Education Portal. Many Wikiversity participants are interested in education in general and how learning takes place at Wikiversity, in particular. This page is meant to be a user-friendly guide to education-related Wikiversity content. You may also be interested in the Wikiversity School of Education and help for School and university projects.
Use this wiki locally on your desktop, or upload it to a webserver.
Here are videos of real educators talking about PBwiki (psst: Look for some educators you probably know). Please distribute and use these videos everywhere! Feel free to use these in your talks, conferences, and classrooms.
Compare the Wikis of your choice in a comfortable side-by-side table. Just select them on the left and click the button.