From Fedora Project Wiki

GNOME Builder is a free and open-source IDE that is written in C and built using the GTK+ toolkit. As its name suggests it is part of the GNOME core application suite and as such it is in the official repositories of Fedora. It has support for the following programming languages: C, C++, Python, Rust and Vala.

Installation

DNF

To install GNOME Builder merely run:

$ sudo dnf install gnome-builder

where $ denotes a user console, as opposed to a root console.

Flatpak

First one needs to install Flatpak with:

$ sudo dnf install flatpak

then to install GNOME Builder with Flatpak run:

$ flatpak remote-add --from gnome https://sdk.gnome.org/gnome.flatpakrepo
$ flatpak remote-add --from gnome-apps https://sdk.gnome.org/gnome-apps.flatpakrepo
$ flatpak install gnome-apps org.gnome.Builder

after installing Builder run:

$ flatpak run org.gnome.Builder

to start Builder with Flatpak. After you reboot, you should find icons for GNOME Builder in your application menus.