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.

LGRIS

Easily create an exit page meta tag redirect in WordPress by adding a shortcode to a post or page. When people visit the page they will be automatically redirected to the website you want them to visit. Great for making an exit warning page or an exit advertising page before people leave your website.
For a demo of the plugin see here <a href="http://www.lgr.ca/wp-exit-page-redirect-demo/" rel="nofollow ugc">LGR WP Exit Page Redirect Demo</a>. That page will redirect you to the page on LGR.ca about the plugin after 10 seconds.

WP Exit Page Redirect

Easily create an exit meta tag redirect page to warn users they are leaving your website and automatically redirect them after a set time period.

Code Widget vs WP Exit Page Redirect