this post was submitted on 02 Jan 2024
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Free and Open Source Software
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Free but not open-source, Microsoft's own SyncToy. Used it for years to do weekly backups to SD cards. You can set multiple source/target combos and run one or all with a button thereafter.
I wouldn't trust SD cards with being backups. Data retention on Flash is a finicky issue, and SD cards are the worst of them all. Even SSDs have been known to suddenly lose their data when not powered on for some time. HDDs and DVD-Rs still have the best retention rates... but still don't forget to follow 3-2-1.
Fair points, but the question was about software.
True. On the software side, SyncToy seems to have been abandoned in 2021. Sounds like a reasonable candidate to get picked up by PowerToys, but who knows.
What would be the current equivalent, FreeFileSync?
Surely it's available from somewhere reputable still ... not like it was getting frequent updates before 2021. I was using it through May, when I switched to KDE, so I never looked into alternatives after that. Oh, well. I tried. 😁