GoodSync might be a bit more popular than bup. We know about 1 link to it since March 2021 and only 1 link to bup. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I have been using bup https://bup.github.io and a cron job for a long time. Source: about 3 years ago
Or check out goodsync.com I think the free version might work as well. Source: over 2 years ago
Borg Backup - Deduplicating backup program with compression and authenticated encryption
FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
BURP - Burp is a network backup and restore program.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.