gtk-gnutella software package provides shares files in a peer to peer network, 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 gtk-gnutella
gtk-gnutella is installed in your system.
Make ensure the gtk-gnutella package were installed using the commands given below,
$ sudo dpkg-query -l | grep gtk-gnutella *
You will get with gtk-gnutella package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Network |
| Package | gtk-gnutella |
| Version | 1.1.8-2 |
| Description | shares files in a peer to peer network |
| Sub Section | Net |