OpenHantek6022 is a free software for Hantek DSO6022 USB digital signal oscilloscopes that is actively developed for Hantek 6022BE/BL and compatible scopes (Voltcraft, Darkwire, Protek, Acetech, etc.).

Note: after installing you will need to add some required udev rules to your system for it to work. Please see the section titled "Run OpenHantek6022" on this project's GitHub page for details on how to do this.