There are some others out as well. I like the concept but Tribler doesn't work very well for me, I deleted it yesterday after trying it for a week or so. Among the problems I have had:
Freezing my system
No options when I right click a file
When choosing 'Minimize to Tray'  There is no way to open it from the tray. Maybe a keystroke shortcut, but without a way to open things with a mouse, or even offering the options, it is not for me
The anon automatic thing it does to prove itself never completed and usually would freeze the system

It looks like it is anon if you stay within their network?