gtKuickres is a dockable wharf app that provides a quick way to change video modes without restarting X.
It's useful for X games that are way too small at high resolutions. It's also great for people who like to switch resolutions a lot.
Tweak TextExpander to work the way you want it to in the preferences panel view it
Set up your preferences and even change the way Wikipedia looks! view it
Bing puts some control in your hands with its preferences panel view it
Tweak Yuuguu to work the way you want in preferences view it
In Ubuntu you can easily manage your display view it