Web 2.0 Applications

• Diigo
• ZOHO Creator
• SlideShare
• Pinger
• ChinSwing
• Google Calendars

Lists of Web 2.0 Apps

• Go2Web2.0
• Web 2.0's Top 1,000 List
• Web 2.0 Backpack: Web Apps for Students
• Kathy Schrock's List of Web 2.0 Tools for K-12 

Literacy Web 2.0 Apps

• Kidderlit & Twitterlit 
• LibraryThing
• Kerpoof! 
• Pikikids

Tutorials

• School Library Learning 2.0 Web 2.0 tutorials/class from California School Library Association

Tools

• Download and convert YouTube videos at KeepVid
• Listing of sites to download and convert You Tube videos at Mashable