fonglh

Unofficial plugin to replicate the Google Maps shortcode function on WordPress.com sites. Useful for users who are migrating from WordPress.com to self hosted WordPress.org sites and want their maps to continue working. This feature is explained at http://en.support.wordpress.com/google-maps/
Main benefits include:
<ul>
<li>Import your posts from WordPress.com without having to edit all your maps.</li>
<li>Continue adding maps to posts the way you used to do it.</li>
<li>Support for custom width and height settings.</li>
</ul>

Unofficial WordPress.com Google Maps Shortcode

Unofficial plugin to implement the Google Maps shortcode available on WordPress.com sites.

fpuenteonline

Enable hidden extra menu options for Jetpack: 
– Manage Jetpack modules (active/inactive) 
– Access to Jetpack debugger. 
– Access to Jetpack About us page.

Extra menu options for Jetpack

Really useful plugin. 

Allows easy access to Jetpack options that are usually hidden 

Gracias Fernando ;)

Very useful

Enable hidden extra menu options for Jetpack

Unofficial WordPress.com Google Maps Shortcode vs Extra menu options for Jetpack