DMX512 - - Technical information about the bus system for show lighting with software download.
Don Klipstein's Lighting Info - - Information and links on various types of light sources and the technology that makes them work.
Light and Energy Learning Unit - - Gives historic background, quality of lighting, energy, design techniques, and spectral power distribution curves.
Lightboard.Net - - Job board for the lighting industry. Page also includes new product development news.
Lighting Design in Offices - - A study about office lighting schemes. Presents several different solutions and offers an online tool to compare them systematically.
Lighting Design Lab - - A energy efficient lighting design resource for the northwest of the U.S., sponsored by Northwest Energy Efficiency Alliance. Offers training classes, demonstrations, consultations, and related services.
Lighting the Way - - A project at the Smithsonian Institution to gather materials about the history of electric lighting during the past 30 years.
LightLab Online - - Optics and radiometry services, photometric and thermal tests. Products include laboratory equipment, instrumentation and software for the lighting industry.
National Lighting Product Information Program - - The NLPIP offers information on lighting products, combined from test results obtained by NLPIP and data obtained from lighting manufacturers cataloges.