SIL International (formerly the Summer Institute of Linguistics) is a U.S.-based, worldwide, Christian non-profit organization, whose main purpose is to study, develop and document languages, especially those that are lesser-known, in order to expand linguistic knowledge, promote literacy, translate the Christian Bible into local languages, and aid minority language development. SIL provides a database, Ethnologue, of its research into the world's languages. SIL has more than 6,000 members from over 50 countries.
SIL International is the "primary partner organization" of Wycliffe Bible Translators, a Christian organization dedicated to translating the Bible into minority languages.
Read more about SIL International: History, Affiliated Bodies and Other Offices, Contributions, Ethnologue and ISO 639-3 Codes, Criticisms