Collaboration: Connect with others (great for projects!)
TitanPad lets people work on one document simultaneously. We are rescuing EtherPad for your use. Create new pad No sign-up, start writing.
Scribblar is a free online collaboration tool that features live audio, chat, whiteboard and image sharing capabilities, amongst other things.
Zoho Show: Online presentation service for creating, editing and sharing presentations.
Rock Melt combines Social Networking, Chatting, Internet, Google, Searches, IM and many other things right onto one screen!
Wikispaces has been great so far. It is an amazing thing to learn through community building activities in an online environment that encourages all learners.
AnswerGarden is a new minimalistic feedback tool. Use it as a tool for online brainstorming or embed it on your website or blog as a poll or guestbook.
Plant a Question. Grow an Answer.
ThinkQuest is an international competition where student teams engage in collaborative, project-based learning to create educational websites.
Edmodo: Free, Secure Social Learning Network for Teachers and Students.
Education 2.0 - Free Private Microblogging in the Classroom.
Wallwisher is an online notice board maker. Discussing a new idea? Taking notes? Giving feedback? Voicing opinion?
Online sticky notes.