Using wordpress editor in my projects

Question

I think CKEditor is the most powerful WYSIWYG Editor, but CKEditor have some problem, and I found the Wordpress editor is powerful than CKEditor :)

But I don't know what is wordpress editor ? Is it OpenSource ?

How can I use WordPress Editor in my projects?

UPDATE:

I mean was wordpress default editor :

Answer 1

Below answers guide you properly I hope

How to use Wordpress Text Editor in a custom plugin

https://codex.wordpress.org/Function_Reference/wp_editor

https://premium.wpmudev.org/blog/daily-tip-how-to-set-the-default-editor-to-visual-or-html-in-wordpress/

https://www.bloggersignal.com/set-html-editor-as-default-editor-in-wordpress/

https://www.webhostinghero.com/how-to-switch-the-wordpress-editor-to-html-by-default/