This company offers a large range of Reliability Analysis and Prediction Software including Process Hazard and Analysis and Facility Vulnerability Analysis. Site offers program descriptions and downloads, brochures and publications
This is an open source C++ implementation of the Industrial Formulation 97 steam tables given by the International Association for the Properties of Water and Steam, with unit testing framework, ready for incorporation into your own code
VLEFlash is a package for performing multicomponent single-stage equilibrium calculations. Also offers programs for compressor design, quick pipe sizing and for predicting the fluid phase equilibria in natural gas-water systems, in particular sour natural gas