Name of the software: Digital Bitbox
Homepage: https://digitalbitbox.com / https://digitalbitbox.com/start_linux
Why include it?: Cryptocurrency is growing fast (especially in the Linux community) and Digital Bitbox offers a relatively cheap hardware wallet with open-source software.
Open-source?: Yes.
Link to source: https://digitalbitbox.com/download/DigitalBitbox_2.2.2_Linux64.tar.gz