Mayan languages
In colonial times Mayan languages came to be written in a script derived from the Latin alphabet; orthographies were developed mostly by missionary grammarians. Not all modern Mayan languages have standardized orthographies, but the Mayan languages of Guatemala use a standardized, Latin-based phonemic spelling system developed by the Academia de Lenguas Mayas de Guatemala (ALMG). Orthographies for the languages of Mexico are currently being developed by the Instituto Nacional de Lenguas Indígenas (INALI).