Here you'll learn how to do just about everything with PDF documents without buying Adobe Acrobat. You can edit PDF files, combine multiple files as one, add signature images to PDF pages, fill PDF forms online, add clickable hyperlinks to existing PDF documents and so much more.
"Aviary is a suite of powerful creative applications that you can use right in your web browser. We're on a mission to make creation accessible to artists of all genres, from graphic design to audio editing."
Using Scribblar, users can collaborate on their own online whiteboard or "room" - featuring many of the tools familiar to users of Smart or Promethean boards - lines, text, shapes etc. You can upload your own images where you and others can edit it or comment on it.
In addition to the whiteboard - there is a chat box to communicate with other users, and there is also a voice chat option as well.
Foswiki is the free and open source enterprise collaboration platform
Foswiki is a wiki, so you and your team members can collaborate and edit pages directly in the web browser.
For advanced collaboration, Foswiki lets you enter macros (similar to Excel) to automate pages and build entire applications from within your browser.
A wiki is a website that allows members to easily edit and contribute content. Wikispaces is a teacher and student friendly tool that supports multimedia for collaborative learning. A wiki provides teachers with a platform to design learning experiences that provide students with flexible learning paths to meet their unique learning styles Wiki projects can support project based learning.