Framework used to develop the new windows azure management portal?
I posed the same question and got a lot of hate for it. The winning answer is the Metro UI Pack. It does a lot of what they do in Azure, but you'd have to implement the rest yourself.
KnockOut Js
Require Js
TypeScript
Less
ASP.NET
D3 Js Web sockets
Some links for more information Steve Sanderson - Architecting large Single Page Applications with Knockout.js
Under the hood of the new Azure Portal
From the ground up: Building the Microsoft Azure Preview Portal
Framework used to develop the new windows azure management portal?
Credit Quora