Humart Company (휴마트컴퍼니) develops 'Trost', a mobile application for mental health services such as online psychological counseling delivered through text therapy or face-to-face consultations, an AI chatbot for mental health, and other wellness-related resources. The company uses technologies such as natural language processing and machine learning models for emotion analysis. Trost also provides Employee Assistance Programs (EAP), comprised of comprehensive psychological diagnosis and treatment services for employees.