Lipsync is worth a mention here as well.
>> Lipsync is an open source, lightweight service that provides automated two-way, Dropbox file synchronization in Linux by utilizing OpenSSH, rsync, and lsyncd.
Basically Dropbox with your own server.
I am currently working on project lipsync. I am creating a graphical setup tool(not done yet). lipsync is an open source, lightweight service that provides automated two-way, Dropbox file synchronization in Linux by utilizing OpenSSH, rsync, and lsyncd. Might wanna check that out.