jorgecasar

If you have the capacity of “edit_themes” you can see a Try Theme, a new option in Design menu.
In this page you see a form that let you choose a theme and it will be activated while you’re login in.

Try theme to develop

This plugin detect if current user have the capacity of "edit_themes" and then he can change the template to develop it.

Ryuta Sakai

⚠️ This plugin in development
This plugin update or make post from static html files. 
It’s useful for development.
How it works:
<ol>
<li>Create a base directory on your server.</li>
<li>Create directory named by “post type slug” in base directory.</li>
<li>Put html file in the directory. and save post content to this html.</li>
<li>Go to ‘Code to Post’ menu, and click ‘Update to Post’.</li>
</ol>
<h3>Example tree</h3>
my-posts-dir 
 ├── post ( posttype slug ) 
 │ ├── hello.html ( post slug.html ) 
 │ └── any-slug.html 
 │ 
 ├── page 
 │ ├── about.html 
 │ ├── searvice.html 
 │ └── searvice ( parent post slug ) 
 │ ├── searvice-child-01.html 
 │ └── searvice-child-02.html 
 │ 
 └── my-custom-post 
 ├── custom-post-01.html 
 └── custom-post-02.html

Try theme to develop vs Code To Post