I prefer Sparkleshare. But as it is backed by git, big files are not what Sparkleshare is for. You can use Github, and other available git services with Sparkl

I prefer Sparkleshare. But as it is backed by git, big files are not what Sparkleshare is for. You can use Github, and other available git services with Sparkleshare, or setup your own server, fairly easy. I tried Strongsync. I pass.