Signed installers for the Posnic point of sale.
curl -fsSL https://packages.posnic.com/gpg.key \ | sudo gpg --dearmor -o /usr/share/keyrings/posnic.gpg echo "deb [signed-by=/usr/share/keyrings/posnic.gpg] https://packages.posnic.com/apt stable main" \ | sudo tee /etc/apt/sources.list.d/posnic.list sudo apt update && sudo apt install posnic
Windows and macOS downloads: latest release.