Apps similar to TRNSYS include Aspen Plus. Other options are Engineering Equation Solver, GateCycle Software and EBSILONProfessional. In total there are four apps like TRNSYS for Windows and Mac.
Aspen Plus is a market-leading process modeling environment for conceptual design, optimization, and performance monitoring for the chemical, polymer, specialty chemical, metals and minerals, and coal power industries.
United States
EES is a general equation solver that can solve thousands of coupled non-linear algebraic and differential equations. EES includes a library of thermodynamic and transport properties for hundreds of substances.
United States
GateCycle plant performance monitoring software predicts design and off-design performance of combined cycle plants, fossil boiler plants, nuclear power plants, cogeneration systems, combined heat-and-power plants, advanced gas turbine cycles and many other energy systems.
United States
EBSILON®Professional is a system that simulates thermodynamic cycle processes and is used for engineering, designing, and optimizing plants.
Germany
EU