Reverse differential backup tool, over a network or locally.

Bareos is a cross-network Open Source backup solution (licensed under AGPLv3) which preserves, archives, and recovers data from all major operating systems.

UrBackup - Client/Server Open Source Network Backup for Windows, MacOS and Linux

A standalone system that can perform backup and restore functions for a wide variety of pluggable data systems

Backup utility for Libvirt / qemu / kvm supporting incremental and differential backups + instant recovery (agentless).

tools to create & update a backup of a running RPiOS system to a raw image file

Automatic backups from Roam Research into your private GitHub repo

A reliable software written in Shell Script to help you in your daily task to backup and restore mails and accounts from Zimbra Open Source Email Platform. Project in deprecation process. Please help me with Waddles.

Uploads Minecraft backups to Google Drive/OneDrive or by (S)FTP

A simplified backup management software for quick access to your archives through an efficient web interface.

A feature-rich, user-friendly backup program [bugfixes only]

You can use au 📲 (auto upgrade) to backup your Termux *.deb packages; This enables rollback in Termux. https://sdrausty.github.io/au

This app allows you to use AWS (Amazon Web Services) S3 as backup system for desktop environments. 🚀

a java web photo manager

RouterFleet: An open-source solution for centralized router and network equipment management. Initially focused on Mikrotik devices, it offers simplified backups, updates, and security. Perfect for managing a fleet of devices efficiently. Join us in evolving RouterFleet's capabilities

Backup and archive tool.

Nextcloud-NAS-Guide - Instructions how to set up a home server

OpenStack scripts

Backup system built on Borg Backup

Backup all Github & Gitlab repositories as .zip files