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We simplify lighting design for you: Design, calculate and visualise light with DIALux evo

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Free and open lighting design software
+  Available in 26 languages
+  Real luminaires for your lighting design
+  Products of more than 190 manufacturers
Community of more than 750,000 users worldwide


active DIALux users worldwide


planned projects per month


used luminaires per month

Plan light for in- and exteriors

Create lighting concepts for entire buildings with several floors and rooms and individual outdoor scenes such as green spaces, paths, car parks or street lighting.

Combine artificial and daylight

Plan your project with day- and artificial light. Calculate daylight with clear, overcast or cloudy skies and include daylight systems. For a special atmosphere you create unique lighting scenes.

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How to get started

Learn the basic functions of DIALux evo. In our free DIALux evo basic course we provide you with videos, project files and plans for download. You can find more seminars, online courses and helpful tutorials in our Academy.

Free basic course

Jobs in the lighting business

You need support with your project?

For example, you need a 3D model or someone to complete your lighting design? Assign a job to freelancers or luminaire manufacturers or choose from a variety of freelancers to get your job done quickly and efficiently.

Post a job        Find freelancers →

You want to support as a freelancer?

Become a freelancer and find jobs tailored to your needs. Offer your services worldwide to support other lighting designers with their projects – you decide when and where you want to work.

Find a job

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