Recommendations for Open-Source Backup Clients Compatible with S3

March 25, 2026 3 answers
Asked by SunnySkies123
I'm on the hunt for a free, preferably open-source backup client that operates on Windows. I need it to support full, incremental, and differential backups, and I'd really like a graphical user interface (GUI). It should also have the capability to upload directly to S3-compatible cloud storage. Free options are the best, but I'm open to any suggestions you might have. Thanks in advance!

Answers

TechSavvy99
You might want to check out Duplicati. It's an open-source solution that fits your needs perfectly. It has a GUI, supports S3 storage, and handles incremental backups like a champ.
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BackupBuddy24
Restic is another good option, especially if you combine it with a GUI wrapper. It's a reliable backend for backups, just a bit more technical to set up.
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CloudHunter88
UrBackup could be what you're looking for, though it's more oriented toward a client-server style.
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