Simple application that generates a two-factor authentication code, created for GNOME.


  • QR code scanner
  • Beautiful UI
  • Huge database of more than 560 supported services
  • Keep your PIN tokens secure by locking the application with a password
  • Automatically fetch an image for services using their favicon
  • The possibility to add new services
  • Dark theme and night light

Scale to fit:

App ID:

Has to be filled


Phone Compatibility:

5/5, fully optimized

How to install:

sudo apt update
sudo apt install gnome-authenticator

Please note that the Debian version is very old, and does not work with HOTP with counters




# You will need to trust and add the flathub repo to flatpak first
flatpak install flathub com.github.bilelmoussaoui.Authenticator


Getting it to work with Duo Mobile

Duo is a 2fa Authentication that requires one to use their Android or iOS app. However, there is a way to get it to work on python and export it into Authenticator: