Timeshift is intended more for system snapshots, and Clonezilla more for whole disk imaging, but the others are all for general data backup. They don't cover LuckyBackup, which is almost identical to Grsync, and it's worth noting that LuckyBackup has a built-in cron option to schedule the backups. Personally, I'm using LuckyBackup and Timeshift.UrBackup could...