Timeshift
Timeshift – free and open source software for creating snapshots of the file system
Deja Dup
Deja Dup – free and open source simple backup tool with compression and encryption capabilities from GNOME for Linux
Kup Backup
Kup Backup – free and open source tool with automated versioned and synchronized backup type for the Plasma desktop, GUI software bup
Vorta
Vorta – free and open source, multi-platform desktop backup client for Borg
Spectacle
Spectacle – free and open source, simple software for creating screenshots from the KDE project for Linux
Shutter
Shutter – free and open source, multifunctional program for creating and editing screenshots
ScreenCloud
ScreenCloud – free anp open source, simple software for creating and sharing screenshots
Flameshot
Flameshot – free and open source, powerful yet simple screenshot creation software that lets you edit and upload screenshots
Ksnip
Ksnip – free and open source, cross-platform software for creating and editing screenshots
BleachBit
BleachBit – free and open source, multi-platform and powerful program for freeing up disk space and deleting confidential information