Dashboard Cast
Is a personalized homescreen for Chromecast. Create and organise widgets (Clock and date / RSS Widget / Calendar / Stock / Audio) to your liking and display them on your TV.
http://play.google.com/store/apps/details?id=com.rir.dashboardcast
SecondScreen
Is an application designed for power users that frequently connect their Android devices to external displays. It provides tools to give you the best big screen experience possible – for example, you can change your device’s resolution and density to fit your TV or monitor, enable always-on desktop mode in Chrome, and even turn your device’s backlight off. With SecondScreen, you can turn your existing Android device into a set top box, a game console, or even a PC replacement!
http://play.google.com/store/apps/details?id=com.farmerbb.secondscreen.free
http://forum.xda-developers.com/showthread.php?t=2766268
Web Video Caster (Chromecast)
Allows you to stream videos you find on the web to any Chromecast device. The app does all the dirty work of finding the embedded videos inside web pages, making it super simple for you to just hit play and enjoy!
http://play.google.com/store/apps/details?id=com.instantbits.cast.webvideo
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