https://developer.gnome.org/documentation/introduction/builder.html
GNOME Builder - GNOME Developer Documentation
Builder is GNOME’s integrated development environment. This tool is designed and optimized for creating applications with the GNOME platform. It combines...
gnome builderdeveloper documentation
https://askubuntu.com/questions/1565311/how-to-unset-gnome-builder-as-default-editor
kubuntu - How to unset GNOME Builder as default editor? - Ask Ubuntu
I ran flatpak install org.gnome.Builder on Kubuntu 25.10 before modifying and compiling a GTK3 app. Now most source code file extensions open in GNOME Builder....
how tognome builderask ubuntukubuntuunset
https://apps.gnome.org/Builder/
Builder – Apps for GNOME
apps for gnomebuilder