Justinmind is the favorite prototyping tool of many and the best way to test your ideas before you start coding! Justinmind lets you create web and mobile app prototypes and high-fidelity website wireframes without coding. It offers capabilities typically found in diagramming tools like drag and drop placement, re-sizing, formatting and export/import of widgets. It has features for annotating widgets and defining interactions such as linking, animations, conditional linking, calculations, simulating tab controls, show/hide elements and database simulation with real data. Justinmind is a great tool for sophisticated prototyping results.
Snapchat is a camera company. They believe that reinventing the camera represents the greatest opportunity to improve the way people live and communicate. Snap Inc. products empower people to express themselves, live in the moment, learn about the world, and have fun together.
Founded in 2011, Taptera builds fast, beautiful, secure off-the-shelf mobile apps for the enterprise. Headquartered in San Francisco, the leadership and development teams have a strong record of entrepreneurial success and come from companies including Genentech, Inc., salesforce.com and Mobiata (acquired by Expedia.)