American Sign Language (ASL) is a visual-gestural language used by deaf and hard-of-hearing people in the United States and Canada. It has its own grammar and syntax, and is not simply a visual representation of spoken English.
British Sign Language (BSL) is the sign language used in the United Kingdom. It is used by deaf and hard-of-hearing people who speak English as their first language.
Indian Sign Language (ISL) is a visual-gestural language used by deaf and hard-of-hearing people in India. It has its own grammar and syntax, and is distinct from other sign languages used in other countries.
The sign language of the Australian deaf community. The term Auslan is a portmanteau of "Australian sign language", coined by Trevor Johnston in the early 1980s, although the language itself is much older. Auslan is related to British Sign Language (BSL) and New Zealand Sign Language (NZSL).
The main language of the Deaf community in New Zealand. It became an official language of New Zealand in April 2006, alongside Maori and English. Like other natural sign languages, it was devised by and for Deaf people, with no linguistic connection to a spoken or written language.
The preferred signing system for hearing people to communicate with the deaf. It uses the same signs as BSL, but unlike SE, you do not have to sign every word. It also doesn't have its grammar system like BSL, so hearing people do not have to worry about learning a whole new grammatical structure.
Also known as IS, is an international auxiliary language used at international meetings such as the World Federation of the Deaf (WFD) Congress and events such as the Deaflympics.
A signing system generally used alongside sign language. It is used to spell out names, places, and anything else there is not a sign for. Many times new words take longer to spell out into BSL so must be spelled before a sign is adopted.
Widely used in Mexico City, Monterrey and in Guadalajara. It varies even within a country. In Mexico, most people use the Mexican sign language. It is also known as "lengua de señas mexicana", "Lenguaje de Signos Mexicano" or simply LSM.