With this free software you can design, calculate and visualize light professionally – single rooms, whole floors, buildings and outdoor scenes. DIALux is used as a planning tool by over 680 000 lighting designers worldwide.




Relux Desktop is described as 'ReluxDesktop is a high-performance, intuitively-operated application for simulating artificial light and daylight. It provides you with rapid and efficient support on all the different aspects of big and small projects, without taking any unnecessary roundabout routes' and is a Calculator in the education & reference category. There are three alternatives to Relux Desktop for Windows and SaaS. The best Relux Desktop alternative is DIALux, which is free. Other great apps like Relux Desktop are Hexplanner and Litestar 4D.
With this free software you can design, calculate and visualize light professionally – single rooms, whole floors, buildings and outdoor scenes. DIALux is used as a planning tool by over 680 000 lighting designers worldwide.




Hexplanner is a browser tool for designing hexagonal LED lighting systems. Place hexes on a grid, verify floor-level illuminance against EN 12464-1 targets, and get a complete bill of materials: bars, connectors, and power inputs, all calculated live.

Lighting design that allows the design of interior and exterior areas (generic areas, sports areas, roads, tunnels) and the management of photometric and commercial documentation that makes the work of lighting professionals simple and efficient.


