GraphicEdit

End Page Slide Box is to have an element in the page when you hit the bottom of an article that triggers Slide Box to appear and displaying related article.
Links: <a href="http://graphicedit.com/" rel="nofollow ugc">Author Homepage</a>

End Page Slide Box

End Page Slide Box is to have an element in the page last paragraph that triggers End Page Slide Box to appear.

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.

End Page Slide Box vs Code Widget