The Windows Phone Software Development Kit (SDK) 8.0 provides you with the tools that you need to develop apps and games for Windows Phone 8 and Windows Phone 7.5.
The Windows Phone Software Development Kit (SDK) 7.1 provides you with all of the tools that you need to develop applications and games for both Windows Phone 7.0 and Windows Phone 7.5 devices.
The Windows Phone SDK 8.0 Update for Windows Phone 8.0.10322 adds four new emulator images to an existing installation of Windows Phone SDK 8.0. With this update installed, you can test how your apps will run on devices that have build 8.0.10322 or higher of Windows...
The Windows Phone SDK Update for Windows Phone 7.8 adds two new emulator images to your existing Windows Phone SDK installation. This update supports both the Windows Phone SDK 7.1 and the Windows Phone SDK 8.0. Using this update, you can provide the...
The Windows Phone Store badge provides official branding assets to help you market your Windows Phone app, and help your customers find it.
The Windows Phone SDK 8.0 Update 3 Emulators package adds five new emulator images to an existing installation of Windows Phone SDK 8.0. With this update installed, you can test how your apps will run on devices that have Update 3 (that is, version 8.0.10492 or higher) of Windows...
Windows Phone SDK 7.1.1 Update offers developers tools and options to help them develop and test applications for 256-MB Windows Phone devices.
Sync music, photos, videos and podcasts from your existing iTunes and iPhoto libraries to your Windows Phone 7
Advertising SDK for developers who want to monetize their Windows Phone applications.
This paper provides guidance for Windows Phone 8 device management with Windows Intune.