It is probably the first thing you need to check if you are getting synchronization issues with Dropbox. For obvious reasons, Dropbox requires a valid internet connection to synchronize files.

Smart Sync was launched at a press conference earlier this week. It’s part of Dropbox’s existing sync client for Windows and macOS. Once turned on, all of your Dropbox files will be visible inside ...

Replacing Dropbox with Syncthing, for most users, will feel like a drop-in replacement as long as you know exactly what you're looking for in a tool.