Software is one of the main pillars of ITS. ARS T&TT has a significant software development group available in the Netherlands and India. This group designs and develops custom made software; maintains and configures ARS T&TT and third party software products. Because of the ITS domain knowledge, the availability of a wide range of re-usable ITS software modules and the intensive co-operation with the ARS T&TT hardware development department, the software can be provided fast and at good commercial conditions. Software is developed on the basis of proven methodologies (eg UML) and according to high quality standards (CMMi3, MIL, STD, ISO9001), for which ARS T&TT is certified. Supported development platforms include C/C++/C#, Java, Delphi on Microsoft and Linux platforms.