Windows Phone App Studio

http://www.kunal-chowdhury.com/2013/08/windows-phone-app-studio.html
http://www.kunal-chowdhury.com/2013/08/how-to-build-rss-feed-reader-using.html

Microsoft has recently launched a tool called “App Studio” which will allow you to build a Windows Phone app without any programming skill. 

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Windows Phone App Studio lets you easily build apps for immediate publishing, testing and sharing with clients, co-workers, and friends. When you're ready to add advanced programming features or UI changes, the Windows Phone App Studio also generates source code for you to download.