bluenestbryan

This plugin adds the name and path of the theme (template) file used to generate the html page into the page’s source as a comment. It will also add the name of the header, footer and sidebar if they are included.
This is useful for debugging and seeing what template file generated a page.
To use, activate, then reload any open pages. In the HTML comments, you can search for “TEMPLATE INFO” to see the added comments with the names of the template files included.

Template File Name Debugger

Add the name of the theme (template) files used to generate a page into the page's
source as a comment.

jamesona

Allows users to save scripts and code snippets, using built in WordPress post revisioning. 
Scripts will be shown on yourblog.com/code. 
Using curl on a script url
<blockquote>
curl -sS yourblog.com/code/scriptname/
</blockquote>
will return an unformatted version of the code, suitable for shell sourcing.

Code Repository

Allows users to save scripts and code snippets, using the built-in WordPress post revisioning system.

Template File Name Debugger vs Code Repository