Web 2.0 tools - the tools we look to use that are online and interactive. Here is a round-up of tools that are organized by core content area. A few may require downloads but most are online. Look by subject area (ELAR, Mathematics, Science, Social Studies) or by category (which is a lengthy list including Audio, Avatars, Backchannels, to Video, Website/Creator Tools, and Wikis, with may more listed).
A great place to start to look for a tool with short descriptions provided as well as hot links to the tools.
Via Beth Dichter