Organise your stuff - however you want to!
Remember important things, keep to-do lists, organise projects, track work and everything else that you need to do that we've never thought of
Imagination Cubed is a multi-user drawing tool. You can use a pen, stamps, shapes, or lines, or you can type. You can also change the color of the background.
Mash your ideas and media together with friends in a dynamic whiteboard wiki. Using photos, videos, and other web content you can instantly create brainstorms, presentations, scrapbooks, and enjoy an interactive chat with more than 50 friends.
Scribblar could be a great tool for students to use to comment on and peer critique art work and graphic designs. This would be useful when students are creating slides for a presentation or a creating other original designs. Scribblar could be a more effective collaboration tool than some its competitors because it does have two options for dialog, text chat and audio chat.
With Thinkature, you can create a collaborative workspace and invite coworkers, friends, and colleagues to join you in just seconds. Once inside your workspace, you can communicate by chatting, drawing, creating cards, and adding content from around the Internet. It's all synchronous, too - no need to hit reload or get an editing lock.
Palbee is a free online service which allows you to set up easy video meetings with your friends and colleagues.
You can also use Palbee to record your own presentations and store them online.