quickMockup - Online tool for creating mockups in the browser.
myQuorum - myQuorum, a program for modeling and simulating chemical reactions, designed to help chemical process engineers and students work on chemical process modeling, simulation and optimization projects within a user-friendly environment.
POP (Prototyping on Paper) - POP helps you make interactive prototype with ease. If you can draw, you can design apps.
Surfer - Surf News, Fantasy Surfer, Photos, Video and Forecasting.
Invision - Prototyping and collaboration for design teams
IHS Kingdom - Geology and Seismic