calligra software package provides extensive productivity and creative suite, 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 calligra
calligra is installed in your system.
Make ensure the calligra package were installed using the commands given below,
$ sudo dpkg-query -l | grep calligra *
You will get with calligra package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | KDE |
| Package | calligra |
| Version | 1:2.9.11+dfsg-4 |
| Description | extensive productivity and creative suite |
| Sub Section | KDE |