ReluxDesktop 2026.2 now available! Update now free of charge. -> more information


RELUX – the standard in lighting planning


Professional software for lighting designers, electrical planners and architects. Plan indoor and outdoor areas, roads, sports facilities and emergency lighting efficiently with ReluxDesktop. Use modern BIM workflows, current standards and new AI tools for your daily lighting design tasks.

As an industry-leading provider, RELUX combines many years of market experience with practical software solutions and customised developments.

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What's new in ReluxDesktop 2026.2


Discover the latest features​!

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Everything you need for professional lighting planning

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Software solutions

Rely on RELUX applications for your lighting and sensor planning. RELUX applications are characterised by precise calculation values, compliance with standards and an intuitive user interface.

Try out the latest AI features in ReluxDesktop and work more efficiently.


RELUX software

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ReluxNet – luminaires & sensors

Discover lighting solutions for your project with ReluxNet. Benefit from a range of digital tools that streamline your planning process. Easily access product data in multiple import and export formats for accurate lighting simulations.



ReluxNet database

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Membership for manufacturers

As a luminaire manufacturer, you can elevate your brand's presence in the lighting industry by becoming a RELUX member today. Integrate your product data into ReluxNet, the luminaire search platform. Access a wide range of services, especially for manufacturers.

RELUX membership

Courses and Trainings

RELUX courses enable more efficient lighting planning and help you expand your expertise. You will learn with case studies and benefit from tips and tricks from our tutor. You will learn how to use the software efficiently and benefit from a deep dive into all settings.

RELUX Courses

Our latest members

Professional and intuitive lighting planning 

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