Bas van der Lans

This plugin allows you to display your WordPress Custom Menu in a Page, Post or other Custom Post Type. Easily by adding a shortcode.

Custom Menu Shortcode

This plugin allows you to display your WordPress Custom Menu in a Page, Post or other Custom Post Type. Easily by adding a shortcode.

Sharaz Shahid

Code Widget is simple widget allows you to insert any arbitrary Text/HTML and run PHP Code or Short Code. This Widget parses PHP code into simple text and much more.
Only users with the unfiltered_html role will be allowed to insert unfiltered HTML. This includes PHP code, so users without admin or editor permissions will not be able to use this to execute code, even if they have widget editing permissions. 
This plugin is developed and maintained by <a href="https://twitter.com/sharazghouri1" rel="nofollow ugc">Sharaz Shahid</a>

Code Widget

Code widget help  to  add  Short Code, PHP Code, HTML, and Simple Text in widget.

Custom Menu Shortcode vs Code Widget