I used to use all these Sync programs, but each of them had their own issues (or missing features). So I eventually switched to regular rsync + ssh.
The upside is that you don't have to install much serverside.
The upside is that you don't have to install much serverside.
* What do you do for mobile access?
* How do you share to a single person or a group?
* What do you do for team collaboration?
I also don't need to share since all I need is to sync between my laptop and my Desktop.
There is also Unison, which is similar.