gnome-todo software package provides minimalistic personal task manager designed to fit GNOME desktop, 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-todo
gnome-todo is installed in your system.
Make ensure the gnome-todo package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-todo *
You will get with gnome-todo package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | GNOME |
| Package | gnome-todo |
| Version | 3.22.0-1 |
| Description | minimalistic personal task manager designed to fit GNOME desktop |
| Sub Section | gnome |