"Serverless" in this instance seems to mean that it makes "a private cloud" from folder you can already access over the internet.<p>No idea what <i>that</i> means, however.<p>> This technology is made of 13K lines of code, test covered at 90%, regrouped in a C 89 library. So even in the beta stage the app will not lose the user's data.<p>That is not exactly confidence inspiring.<p>So far I'm pretty happy with Syncthing, which is free software.