Credits

Seoul Namsan font © Seoul Metropolitan Government
Data: public data from Seoul Metro, Seoul Metropolitan Government, Korea National Railway, Seoul Tourism Organization and others (KOGL Type 1, etc.)
Quick exit: Seoul Metro quick-exit data (data.go.kr) · Quick transfer: Seoul Metro transfer information
Maps: NAVER Map, VWorld (Ministry of Land, Infrastructure and Transport) · Addresses: Road Name Address (Ministry of the Interior and Safety) · Place locations: Korea Tourism Organization TourAPI · Weather: Korea Meteorological Administration · Station exits: © OpenStreetMap contributors (ODbL)
Bus stop names in other languages: Seoul Metropolitan Government, Seoul Open Data Plaza "Seoul Bus Stop Multilingual Name List" (KOGL Type 1)