Baka kasi mag-expire trial version ng proto.io ko tas di ko na ma-share senyo sooo... Here it is

This prototype showcases a new Proto.io feature called Gradients, it’s a new way to create and animate gradients straight in Proto.io. You can now make your UI pop with vibrant linear or radial colors, and bring to life with beautiful animations.

Citrix Tech Fair entry demonstrating concepts for Secure Mail.