Jog The WebUse this tool to organize and publish a guided tour of a collection of web pages
http://www.jogtheweb.com/ FlowgramCreate interactive guided presentations
http://www.flowgram.com/ EduRatings 2.0 - Homean interactive website designed to help educators find the best free Web 2.0 applications for instruction, communication, and professional development.
http://er2.weebly.com/index.html Scribblar - simple, effective, online collaborationFeatures include
* Real-time multi-user whiteboard
* Image upload and sharing
* Userlist and text chat
* Live audio communications
* No downloads required, no user limits
scribblar is great for
* Online training and tutoring
* Revising artwork and images
* Creative brainstorming
* Interviews and tests
http://www.scribblar.com/ LibraryThing Catalog your books online
http://www.librarything.com/ PDF HammerWith PDF Hammer you can quickly and easily edit PDF files online, without the need to install anything. Upload your PDF files to PDF Hammer from your Web browser, perform your edits, and then download back to your computer. The visual editor lets you see the pages of the PDFs as you edit them.
Free Online PDF Editor - Edit PDF on the Web
http://pdfhammer.com/ Go2Web20.net The complete Web 2.0 sites directory
http://www.go2web20.net/ bookgoo - Highlight the World"Bookgoo allows you to highlight and annotate your documents in the same way you would mark up a piece of paper with a highlighter and pen!"
http://bookgoo.com/ Dabbleboard Online whiteboard for drawing & team collaboration
http://www.dabbleboard.com/main Tabblohttp://www.tabblo.com/studio Web2.0Slides | Web2.0 SlideshowWeb2.0Slides is a self-running slide show of over 1,400 of the best Web2.0 sites. It's categorized by tags and sorted alphabetically.
http://web2.0slides.com/ InstapaperA fast, easy, free tool to save web pages for reading later.
http://www.instapaper.com/ Zamzar Free online file conversion
http://www.zamzar.com/