[Trisquel-users] Cloud based sync system/software

[oshirowanen]

I know this topic has been discussed before, but I haven't found an answer  
yet.  It's possible that the answer has been provided, but I didn't read  
every single thread.

I am basically looking for a way to sync my files between my computers  
without running my own server.

I understand that I can use encryption to protect my files when hosted by  
someone else.

So far I have found 2 solution which do the job, but I don't like these  
solutions because they are closed source software:

1. Dropbox, does everything I need but the client software is closed source.   
It's not a problem if one day dropbox disappears as the files are also  
locally stored.  So when I discover that dropbox has disappeared, I can  
simply go to my other computer with the internet unplugged and I will be able  
to make another copy of the files.

2. ownCloud, does everything I want but I need to run my own server.  That's  
not something I want to do at this stage.

3. BitTorrent Sync, another interesting idea, but this has 2 problem.  The  
first problem is that it's closed source and the second problem is that it  
requires you having your own server.

Does a solution exist for me to use which ticks all the boxes I am looking  
for?