Links
DIALux
DIALux. The free and complete software developed by us for professional light planning is open to luminaires of all manufacturers. A software by planners for planners. Used by many hundredthousands of light planners and designers worldwide.
IESNA
The Illuminating Engineering Society of North America (IES) is the recognized technical authority on illumination. For over 100 years; its objective has been to communicate information on all aspects of good lighting practice to its members, to the lighting community, and to consumers, through a variety of programs, publications, and services.