This plugin is extension for Elementor, it creates new widget called “Frontend Post” which you can use to provide functionality for frontend post submission. Also there is TinyMCE editor and custom code for users that are not logged in.
1.2
Best Practise for plugin would be:
Giving clients option to publish post’s from frontend without exactly giving them backend access.
API Code apppresser.com
Frontend Media Button Code derekspringer.com