Tekla Structures BIM Software - Open approach to Building Information Modeling
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
BIM Vision - Freeware IFC model viewer.
GNU Octave - GNU Octave is a programming language for scientific computing.
FZKViewer - FZKViewer visualises the sematic data models IFC, CityGML und gbXML
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.