Wetpaint is the largest network of free wiki websites. Wetpaint wikis are great for groups, classes, and more; start your free website in 3 steps.
PBwiki lets you quickly set up your own free, hosted, password-protected wiki to edit and share information. It's as easy as a peanut butter sandwich.
part II: flickr.com/photos/stabilo-boss/101793493/ part I and II: flickr.com/photos/stabilo-boss/101793494/ licensed under cc-attribution-noncommercial-sharealike the diggwatchblog published a list with links and a short description to each company in the picture see the Web 2 HQ Map
Free online whiteboard that allows users to collaborate in real-time. No registration required. Built-in chat, image uploading, file sharing and more.
Share a confidential note via a web link that will self-destruct after it is read by your intended recipient.
3D Modeling. Create 3D Models for free with the beta download.
Share PowerPoint presentations and slide shows online on authorSTREAM. Upload PPT presentations and get embed code, download presentations as video, transfer to iPods and send to YouTube