You can use backblaze B2 with duplicacy. I backup my machines to my NAS and the NAS itself to B2 using duplicacy. The free version is command line only (with te

You can use backblaze B2 with duplicacy. I backup my machines to my NAS and the NAS itself to B2 using duplicacy. The free version is command line only (with text config files). It works really well and B2 prices are reasonable ! They have a billing estimator somewhere on their site. I made a script to backup nested zfs volumes to B2 using duplicacy if anyone is interested : https://gist.github.com/icefo/07aab2789e5cfa71045343953aaf8842 https://gist.github.com/icefo/07aab2789e5cfa71045343953aaf88... It makes a snapshot, backup that and handle unexpected network, power loss or backup that span longer than the cron interval gracefully.