GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
UKs Kalender - This program helps you organizing your dates and tasks and reminds you of upcoming events.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
Dshutdown - Utilities freeware by Dimio, DShutdown, DSynchronize, HDHacker, DTaskManager and DSpeech
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
@MAX SyncUp - An advanced tool for Windows to compare and synchronize files and secure data backup either locally or to FTP/SFTP, Google Drive, and more.