Interesting. I too use GDocs and Prezi sometimes, even though I usually try to use Free Software. After googling a bit, I found some open source projects that

Interesting. I too use GDocs and Prezi sometimes, even though I usually try to use Free Software. After googling a bit, I found some open source projects that let you host your own web office solution. It would be hard to get friends and coworkers to switch, though.