The Nonverbal Dictionary of Gestures, Signs and Body Language Cues

Developed from the research of anthropologists, archaeologists, biologists, linguists, psychiatrists, psychologists, semioticians and others who have studied human communication from a scientific point of view.
http://members.aol.com/nonverbal2/diction1.htm

HandSpeak

ASL dictionary compiled from Deaf World Web's Sign of the Day feature. Animated black and white photos. Alternative translations for English words with several signed equivalents.
http://www.handspeak.com/

ASL Fingerspelling

ASL fingerspelling dictionary, converter, interactive quiz. Download Macintosh version.
http://www.where.com/scott.net/asl/

SignBank

Sign language databases in Sutton signwriting.
http://www.SignBank.org/

German Sign Language Dictionary on Psychological Terms

Uses QuickTime and digitized video.
http://www.sign-lang.uni-hamburg.de/projects/PsychLex.html

Latviesu Zimju Valodas Vardnica

Latvian Sign Language Dictionary
http://www.liis.lv/latval/zimval/index.htm

Medical ASL Phrasebook

Dr. Eileen Carpenter's advice for medical professionals to learn sign language. QuickTime movies with accompanying written ASL transliteration. Tips and links. Long load.
http://www.angelfire.com/pa3/ecarpenter/ASLphrasebook.htm

ASL Browser

An online American Sign Language (ASL) browser where one can look up videos of thousands of ASL signs and learn interesting things about them. From Michigan State University. Uses Quicktime.
http://commtechlab.msu.edu/sites/aslweb/

ASL Dictionary by Subject

200 signs in 13 categories: adjectives, expressions, basic communication, colors, family and home, food and drink, miscellaneous, places, school, sports, time, verbs, weather. Black and white photo stills, line drawings, and text explanations. From SIGNHe
http://www.thinkquest.org/library/lib/site_sum_outside.html?tname=10202&url=10202/asl_dictionary_text.html

ASL Dictionary

List of signs organized alphabetically and by corresponding lesson. From the Lifeprint Institute.
http://www.lifeprint.com/asl101/pages-layout/signs.htm

Sign Language Dictionaries Online

Reviews of several sites which feature American Sign Language dictionaries. From about.com. Links.
http://deafness.about.com/cs/signfeats2/a/signdictionary.htm