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Door Knocker

Check the availability of portals Source


Door Knocker allows you to check availability of all portals provided by xdg-desktop-portal.


Project links: Links to (pages with) screenshots:


Mobile Fit: 5

Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!

Project status: maturing

This project has been in development for some time and is somewhere around a 1.0 release. It should work mostly fine.



Is this app packaged for my distribution?

green: current and packaged,
red: packaged, but not current, ratings and other details may not apply.

Packaging status

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Get it on Flathub!

Install as flatpak: https://dl.flathub.org/repo/appstream/xyz.tytanium.DoorKnocker.flatpakref

If you're lucky*, you can install this app by just hitting this button:


* You need to have an appstream:// handler, e.g., GNOME Software or KDE Discover, installed and the app needs to be available in a configured software repository, more details.

Find similar apps

By Category: system utilities

By FreeDesktop-(Additional-)Category: Utility

Licensing and technical details

License: GPL-3.0-or-later Metadata: CC0-1.0

Frameworks: GTK4 libadwaita

Programming languages: C

Build system: Meson

AppStream Metadata URL: https://codeberg.org/tytan652/door-knocker/raw/branch/main/data/xyz.tytanium.DoorKnocker.appdata.xml.in.in