The Institute for the Advancement of Deaf Persons in Israel has launched the first online sign language 3000-word lexicon. Users enter a word in Hebrew, English, Arabic, or Russian, and immediately, a 5-second video clip opens in which a presenter demonstrates the word in Israeli Sign Language.
http://www.algemeiner.com/2015/10/21/israels-first-computerized-sign-language-lexicon-goes-online/