KBackup is an application which lets you back up your data in a simple, user friendly way
Peazip
PeaZip free file archiver utility, open extract RAR TAR ZIP files
luckyBackup
The main goal of luckyBackup, as its name states, is the creation of backups of your data.
Zeit
Qt frontend to crontab and at
Dupeguru
dupeGuru is a cross-platform (Linux, OS X, Windows) GUI tool to find duplicate files in a system.
Coreimage
An image viewer for C Suite.
Detwinner
Detwinner is the simplest and the fastest tool for removing duplicate files from your Linux PC.
opensnitch
OpenSnitch is a GNU/Linux application firewall.
RiseupVPN
Riseup offers Personal VPN service for censorship circumvention, location anonymization and traffic encryption. To make this possible, it sends all your internet traffic through an encrypted connection to riseup.net, where it then goes out onto the public internet.
Touche
Easily configure your touchpad and touchscreen multi-touch gestures using Touchégg with this GTK graphical user interface.