PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.

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.

SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.

CHEMCAD - We equip chemical engineers with integrated and intuitive process simulation software to tackle projects large and small. Discover how CHEMCAD can help you design, analyze and measure simple and complex processes like never before.

Miramath - Miramath is an open source project inspired by the MathCad mathematical application.

Surfer - Surf News, Fantasy Surfer, Photos, Video and Forecasting.