DIALux is the worldwide standard
in lighting design software

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Find out why DIALux is made for lighting designers and luminaire manufacturers

750K

active users worldwide

languages available

60M

luminaires used per month

DIALux is free and open. Use the software for personal, educational and commercial purposes

Find out why DIALux is free of charge. We explain our business model and will certainly answer some obvious questions.

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Get to know the functions of the software and design lighting for in- and outdoor areas with DIALux

Learn DIALux in your region and language with our certified DIALux trainers or get started for free with our DIALux tutorials.

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