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 ### System Configuration
 
+- [Concessio](https://flathub.org/apps/io.github.ronniedroid.concessio) - GUI to convert between numeric and symbolic Unix file permissions `#gjs` `#libadwaita`.
 - [Damask](https://gitlab.gnome.org/subpop/damask) - Application that automatically sets wallpaper from a variety or sources (local folder, Wallhaven, Bing Wallpaper, NASA Astronomy, etc) `#vala` `#libadwaita`.
 - [doppler](https://github.com/spacekookie/doppler) - Fronted for Redshift allowing to configure different display temperatures for each time of day `#rust`.
 - [Dynamic Wallpaper](https://github.com/dusansimic/dynamic-wallpaper) - Dynamic wallpaper creator for GNOME 42 `#python` `#libadwaita`.