sport.db's repositories
opensport.github.io
Open Sports Data (sport.db) Web Site
formula1.db
Free open public domain Formula 1/Formula One database 'n' schema (formula1.db) for use in any (programming) language (e.g. uses plain text fixtures/data sets)
american-football.db
Free open public domain National Football League (NFL) database 'n' schema for use in any (programming) language e.g. uses plain text datasets