Dictionary App Builder is developed by SIL International and is free to use by language communities around the world for publishing dictionary apps.

Development began in August 2012, with most of the work carried out by SIL in Mali, West Africa. It is based on earlier work on Lexique Pro, a dictionary viewer for Windows. Key modules for the app were written in Thailand and the United States, and beta-testing has been carried out across the world.

SIL International is a faith-based nonprofit organization committed to serving language communities worldwide as they build capacity for sustainable language development. SIL does this primarily through research, translation, training and materials development. SIL works alongside ethnolinguistic communities and their partners as they discover how language development addresses the challenging areas of their daily lives—social, cultural, political, economic and spiritual.

SIL Language Technology supports these activities by developing software, fonts and keyboards. To find out more about our work follow the links at the bottom of this page.