The Diffpack software consists of a family of C++ libraries for general tasks related to numerical solution of partial differential equations, plus a set of Perl and Python scripts that ease the development of simulation programs and problem solving environments for scientific or engineering research.
In 2003, the German company inuTech GmbH purchased Diffpack and is now the principal maintainer and developer of the software.
Past and present Diffpack customers include AREVA NP, Air Force Research Laboratory, Robert Bosch GmbH, Cambridge University, Canon, CEA, CalCom, DaimlerChrysler, Furukawa, Harvard University, Intel, Mitsubishi, NASA, Nestle, Nippon Steel, Shell, Siemens, Stanford University, Statoil, Veritas, VAI GmbH, and Xerox.
Diffpack applications have been built in diverse areas, such as oil and gas, mechanical engineering, telecommunication, medicine and finance.
The customer activities span from simple prototype applications to projects involving several man-years of simulator development.