Arq Backup is offering 50% off their backup software for Black Friday 2018. For their Arq Backup software, the prices drops to $24.99 beating Black Friday prices for the last 2 years. For lifetime license, the price is $54.99 (lifetime updates)
Link: https://www.arqbackup.c
Anyone with a QNAP or Synology or any brand NAS, home server, Amazon Cloud, or Backblaze B2, or simply anyone who wants a robust feature-filled backup software with encryption, should seriously give this software a twirl.
The license is per user, but you can install it on as many computers as you want under your user license. Info on Arq Backup found here:
https://www.arqbackup.c