ckeditor software package provides text editor which can be embedded into web pages, 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 ckeditor
ckeditor is installed in your system.
Make ensure the ckeditor package were installed using the commands given below,
$ sudo dpkg-query -l | grep ckeditor *
You will get with ckeditor package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Web Software |
| Package | ckeditor |
| Version | 4.5.7+dfsg-2 |
| Description | text editor which can be embedded into web pages |
| Sub Section | Web |