The 188.8.131.52 version of Calculux Indoor is provided as a free download on our website. This free software is an intellectual property of Philips Lighting B.V. The software is categorized as Education Tools.
From the developer:
Calculux Indoor is a program which can help lighting designers select and evaluate lighting systems for office and industrial applications. Calculux Indoor is part of the Philips Calculux line, covering indoor, area and road applications.
You may want to check out more software, such as Calculux, Bkool Indoor or Spawtz Scorer, which might be related to Calculux Indoor.