SyncBelt is described as 'Synchronize your sites with SFTP/FTP, skipping files, based on modification date or size, changing permissions, following your set of rules. Manage multiple projects easily and know what exactly is going to happen before committing' and is a FTP Client in the file sharing category. There are more than 50 alternatives to SyncBelt for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best SyncBelt alternative is FileZilla, which is both free and Open Source. Other great apps like SyncBelt are WinSCP , Cyberduck, ForkLift and Transmit.