Installer is one of the most useful apps on the iPhone. Created by the folks at <a href="http://www.nullriver.com/">Nullriver Software</a>, Installer keeps an online repository of all the native 3rd party iPhone applications, and allows for one click installation of them to your iPhone, directly from the app. A must-have.

Installer is available from <a href="http://iphone.nullriver.com/beta/">their site</a> as a GUI install app, and via iBrickr/Breezy.

<a href="http://iphone.nullriver.com/beta/"><img src="http://www.modmyi.com/appimages/installer.jpg" /></a>

<a href="http://iphone.nullriver.com/beta/">http://iphone.nullriver.com/beta/</a>