"HotGloo offers a wide range of functionality and is yet very easy to use."
"It’s the interplay of great flexibility and predefined functional standard UI elements which makes wireframing efficient and fun.”

Cacoo is an online diagram software that is able to create and securely share flowcharts, wireframes, UML models, network diagram and more. Cacoo is developed and maintained by Nulab Inc., an agile software development company headquartered in Fukuoka, Japan that creates web-based application tools for team collaboration.
Marvel App is a super simple design, prototyping, and collaboration platform for web, iOS, and Android, with over 1 million users. Their simple editor allows you to link all your designs together in a jiffy, then add gestures and transitions to make your prototype feel just like a real app or website. Create prototypes for the iPhone, iPad, Desktop, Apple TV, Apple Watch, and Android.
Proto.io is a silly-fast way to create fully interactive mobile app prototypes. Launched in 2011 and designed specifically for mobile, Proto.io can simulate everything an app can do. That includes interactive touch gestures, screen transitions and animations. It is perhaps the only mobile prototyping tool that allows users to create realistic, sharable prototypes that work as a real app should and experience their prototype on the actual device. It is 100% web-based and offers a familiar and intuitive drag-and-drop User Interface (UI), with no coding required. It is ideal for User Experience professionals (UX), Interaction Designers (ID), mobile designers, coders, and app enthusiasts.







