Stagecraft

Canadian Institute Of Theatre Technology - Representing the Canadian live performance community.
http://www.citt.org/

IATSE National - Official site for the IATSE, the union of professional stagehands, motion picture technicans, and allied crafts.
http://www.iatse-intl.org

High School Tech Production - Technical theatre information aimed at high school students.
http://www.hstech.org/

Special Effects: A History - A history of special effects and stagecraft in the theatre.
http://www.tabula-rasa.info/DarkAges/SpecialEffects.html

U.S. Institute for Theatre Technology - A union of theatre technology professionals.
http://www.usitt.org/

Ring Award - International competition for stage direction and design.
http://ringaward.com/en/

Stagecraft Mailing List - Mailing list which covers all aspects of stage work including design, construction, and production.
http://stagecraft.theprices.net/

Glossary of Theatre Terms - Provides definitions of many technical theatre terms.
http://www.dramatic.com.au/glossary/

Southampton University Backstage Society - Provides technical support to internal and external performing arts societies.
http://www.soton.ac.uk/~stagesoc/

Rigger's Page - Ratings charts and usage information for a variety of theatrical rigging hardware.
http://www.rigging.net/

Technical Theatre Handbook - Online book about stagecraft.
http://www.gweep.net/~prefect/pubs/iqp/

Stagespecs - Database of technical specifications of theatres across U.S. and Canada.
http://www.stagespecs.com/

Professional Lighting and Sound Association - Trade association within the entertainment technology industry.
http://www.plasa.org/