Auxiliary Sign Systems
- Australian Aboriginal sign languages (Warlpiri Sign Language, Yolngu Sign Language, etc)
- Baby Sign – using signs to assist early language development in young children.
- Baseball Sign – a method used in baseball and softball to communicate strategic plays without the opponent knowing
- Contact Sign – a pidgin or contact language between an oral language and a sign language, e.g. Pidgin Sign English (PSE).
- Curwin Hand Signs – a technique which allows musical notes to be communicated through hand signs.
- International Sign (previously known as Gestuno) – an auxiliary language used by deaf people in international settings.
- Makaton – a system of signed communication used by and with people who have speech, language or learning difficulties.
- Military hand and arm signals – a standardised system of communicating commands and information silently.
- Monastic sign language
- Mudra – word-like gestures and poses uses in Hindu and Buddhist dance drama and religious iconography
- Plains Indian Sign Language
- Plateau Sign Language
- Tic tac – a traditional British system of communicating betting odds at racecourses.
Read more about this topic: List Of Sign Languages
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