UKs Kalender - This program helps you organizing your dates and tasks and reminds you of upcoming events.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Time Machine - Time Machine is the breakthrough automatic backup that’s built right into Mac OS X.
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.
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.