Software · 3D, CAD & electronics

Photometry

View photometric files.

Completely free
Linux
Open source

At a glance

Photometry is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
Commercial use allowed

About

Photometry shows light distribution curves and metadata of IESNA and EULUMDAT photometric files which describe the light distribution of light sources like lamps and luminaires and are used mostly for data transfer in the lighting industry and in 3D graphics. Photometry allows editing the source content of the opened photometric file and shows the following information contained in the opened files: Light distribution curves General information (Catalog Number, Manufacturer, Description, etc.) Photometric properties (Light Output Ratio and Downward Flux Fraction) Lamps and ballast information Luminaire and luminous opening geometry information Additional properties (Test number, issue date, test laboratory, etc.) Intensity Values for selected C planes and gamma angles

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

How listings are built →

Do you develop Photometry?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/photometry"><img src="https://licitpro.fr/badge/photometry.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →