Authenticator is a free and open source two factor code generator and authenticator application for Linux.
It supports time based, counter based and steam methods and comes with SHA-1/SHA-256/SHA-512 algorithms support. Some other important features are password lock, QR code scanner, use screenshot, search support,
It supports more than 200 providers including Google, OneDrive, WordPress, Norton and Facebook.Now you can Backup and Restore from FreeOTP+, Aegis, andOTP and Google Authenticator. It is released under GNU General Public License v3+.
How to Install Authenticator on Ubuntu Linux
Authenticator is available via flatpak package. You can install it using terminal command-line application from remote flathub. So you need to install flatpak and flathub on your system first. Restart your Linux system to take effect.
Now open terminal app from the applications menu or use ctrl+alt+t keys. In terminal run below Authenticator flatpak install command.
flatpak install flathub com.belmoussaoui.Authenticator
After that open Authenticator app using
flatpak run com.belmoussaoui.Authenticator
You can check the complete list of supported services here.
If you don’t like it then uninstall using
flatpak run com.belmoussaoui.Authenticator
That’s all.