gnome-builder software package provides IDE for GNOME, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-builder
gnome-builder is installed in your system.
Make ensure the gnome-builder package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-builder *
You will get with gnome-builder package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Editors |
| Package | gnome-builder |
| Version | 3.22.2-1 |
| Description | IDE for GNOME |
| Sub Section | Editors |