Collaborative Writing
| CiteULike | CiteULike is a free service to help you to store, organize and share the scholarly papers you are reading. |
| del.icio.us | del.icio.us is a social bookmarking website -- the primary use of del.icio.us is to store your bookmarks online, which allows you to access the same bookmarks from any computer and add bookmarks from anywhere, too. |
| Google Docs | Create, import and share your work online |
| Writeboard | "Searchable word-based tax document" Writeboard is completely free. You can create as many writeboards as you'd like and invite as many people to collaborate ont he writeboards. |
| Zoho.com | A web office suite which includes tools for word processing, spreadsheets, presentations, databases, note-taking, wikis, and other applications. |