Songbird

...an open-source, customizable music player.  Check it out!

Educator Blogs

Just to help sort out the web 2.0 world  for us a little, Answers.com has an index to educators' blogs. You can add free material to your toolkit or submit your blog to their directory. 

Webspiration

Visit this free (beta) online visual thinking tool, Webspiration- good for concept mapping, site layout, brainstorming and much more.