Based on our record, FreeFileSync seems to be more popular. It has been mentiond 67 times since March 2021. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
So RAID is to pool multiple drives together in a single pool to ensure uptime if a drive fails. You can keep the drives in sync with FreeFileSync: https://freefilesync.org/, for example or some backup software like Veeam Free Agent for Windows or Linux: https://www.veeam.com/windows-endpoint-server-backup-free.html. I.e., you have your main system/PC, and get an external drive (or two) to backup to it. - Source: Reddit / 11 days ago
FreeFileSync is a free and open-source program used for file synchronization. It is available on Windows, Linux and OS X. The project is backed by donations. Donors get a few additional features such as an auto-updater, parallel sync, portable version, and silent installation. It has received positive reviews. - Source: Reddit / 18 days ago
You can check out Allway Sync (though not open source) and FreeFileSync. - Source: Reddit / 14 days ago
I use FreeFileSync. It's not a sophisticated backup software, it just syncs two folders, but it's exactly what I want. It's not open source but it's donation-ware. - Source: Reddit / 14 days ago
Windows 10 backup is old and not updated anymore. Use Macrium Reflect Free to image your entire drive to the Seagate, and/or use FreeeFileSync to back up individual folders. - Source: Reddit / 19 days ago
Dropbox - Online Sync and File Sharing
rsync - rsync is a software application for Unix which synchronizes files and directories from one location...
Koofr - Koofr offers safe EU based cloud storage with free storage space for life and options to connect multiple cloud accounts (Dropbox, Google Drive, OneDrive) and your personal storages.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.