Lighting and Electrics
Designers, Amateur Stage Lighting, Association of Lighting Designers, Lighting Dimensions, Lighting.com, Moving-Lights.com, Redmonkey, Stage Lighting 101, Strand Archive, The Light Network, The Lighting Resource
Set Design
Designers, Cardboard King Productions, Kay, Barry (1931-1985), ScenoGraphics, Stage Crew Site, Stage-Setting and Scenery
Sound
Designers, Effects, All Music Guide, Solving Ground Loop Problems, Theatre Sound Design Directory, Theatre Sound Mailing List
Association of British Theatre Technicians
The UK Association for all Theatre Professionals.
Backstage Jobs.com
A free resource listing all "behind-the-scenes" jobs in the live entertainment industry.
Canadian Institute Of Theatre Technology
Representing the Canadian live performance community.
Glossary of Technical Theatre Terms
Listing of technical terms and their definitions.
Glossary of Theatre Terms
Provides definitions of many technical theatre terms.
High School Tech Production
Technical theatre information aimed at high school students.
IATSE National
Official site for the IATSE, the union of professional stagehands, motion picture technicans, and allied crafts.
Professional Lighting and Sound Association
Trade association within the entertainment technology industry.
Rigger's Page
Ratings charts and usage information for a variety of theatrical rigging hardware.
Southampton University Backstage Society
Provides technical support to internal and external performing arts societies.
Special Effects: A History
A history of special effects and stagecraft in the theatre.
Stagecraft Mailing List
Mailing list which covers all aspects of stage work including design, construction, and production.
Stagespecs
Database of technical specifications of theatres across U.S. and Canada.
The Stage Crew
An online technical theatre textbook including chapters on stagecraft, stage lighting, safety, and other technical theatre topics.
U.S. Institute for Theatre Technology
A union of theatre technology professionals.