General questions related to Radiance and its application not specific to other categories.

Questions specific to DAYSIM and its applications.

Questions about high dynamic-range imaging, including capture and processing.

Questions specific to Accelerad and its applications.

Subjects related to Radiance software development, build issues, hardware platforms, and optimization.

Discussion about this site, its organization, how it works, and how we can improve it.

Questions specific to OpenStudio and its applications.

Radzilla is a popular Radiance derivative and experimental platform created by Carsten Bauer. Questions related to its use and suggestions for future extensions are discussed on this list.