"Get early access to the latest features and improvements in Android Studio by downloading the Android Studio Preview.
The Android Studio Preview can run side-by-side with your stable version, so you can work on the same projects in both versions."
"The new Azure Preview portal: Bringing it all together at DevOps speed
This Preview portal is a big step forward in the journey toward integrated DevOps tools, technologies, and cloud services. See how you can deliver and scale business-ready apps for every platform more easily and rapidly-using what you already know and whatever toolset you like most."
Edit html, css, and javascript snippets in separate boxes with a live preview. Quickly switch between various javascript libraries and library versions via a dropdown.