ColorLabs release, they first free plugin on 15 October 2012 at WordPress.org, and they called it with Laboratory. They packed all of awesome features what they have into one plugin. Now you can get all feature not only from ColorLabs Themes, but with other themes such as default WordPress theme Twenty Ten.
Laboratory comes with several modules such as a custom CSS/HTML editor, a shortlink generator, a custom login page editor, a dynamic menu generator, a responsive slideshow generator, a tabs widget, and the Socialcast that integrates your site with social networks.
All modules work independently so you can activate the ones you want to use and leave the others off.
You can get it for free on WordPress.org . Download it now