Diigo
Zamzar - convert document, eBook, image, audio and video - free online file conversion
Box | Simple Online Collaboration: Online File Storage, FTP Replacement, Team Workspaces
Socrative | Student Response System | Audience Response Systems | Clicker | Clickers | Student Clickers | ARS | Mobile Clicker | Software Clicker
Jing, screenshot and screencast software from TechSmith
VoiceThread - Conversations in the cloud
PBworks: Online Collaboration
PBworks in Education PBworks hosts over 300,000 educational workspaces, and has helped transform teaching and learning for millions of students, parents and teachers. Educators ranging from major universities like DePaul, school districts like Baltimore County Public Schools and individual teachers trust PBworks as their collaborative learning environment.
Zoho - Online Office, Word Processor, Spreadsheet, Presentation, CRM and more