Korean courses can help you learn the language's grammar, vocabulary, pronunciation, and cultural nuances. You can build skills in conversational fluency, reading comprehension, and writing in Hangul, along with understanding idiomatic expressions and regional dialects. Many courses introduce tools like language apps and online dictionaries, which support vocabulary building and practice through interactive exercises.

University of Pennsylvania
Skills you'll gain: Electric Power Systems, Electrical Power, Electrical Systems, Safety Standards, Energy and Utilities, Safety Assurance, Electrical Safety, Environmental Regulations, Power Electronics, Electrical Equipment, Sustainable Technologies, Sustainable Design, Low Voltage, Hydraulics, Basic Electrical Systems, Thermal Management, Semiconductors, Electronic Components, Physics, Applied Mathematics
★ 4.7 (660) · Beginner · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Writing, Writing and Editing, Storytelling, Peer Review
★ 4.6 (307) · Beginner · Course · 3 - 6 Months

École Polytechnique
Skills you'll gain: Vibrations, Engineering Analysis, Hydraulics, Civil Engineering, Mechanical Engineering, Engineering, Mechanics, Structural Engineering, Hemodynamics, Biological Engineering, Biomedical Engineering, Mathematical Modeling, Differential Equations
★ 4.8 (736) · Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
★ 4.5 (482) · Beginner · Specialization · 3 - 6 Months
University of California San Diego
Skills you'll gain: Collaborative Software, Telecommuting, Team Collaboration, Human Computer Interaction, Social Impact, Social Network Analysis, Interaction Design, Social Sciences, Driving engagement, Digital Communications
★ 4.4 (820) · Mixed · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Demography, Market Trend, Trend Analysis, International Relations, International Finance, Socioeconomics, Social Sciences, Economics, Policy, and Social Studies, Cultural Diversity, Political Sciences, Financial Systems, World History, Business Acumen, Economic Development, Economics, Business Economics, Consumer Behaviour, Financial Policy, Public Safety and National Security, Governance
★ 4.8 (925) · Mixed · Course · 1 - 4 Weeks
American Museum of Natural History
Skills you'll gain: Life Sciences, Biology, Environmental Science, Environment, Physiology, Hydrology, Environmental Issue, Anatomy, Natural Resource Management, Environmental Resource Management, General Science and Research, Environment and Resource Management, Science and Research, Research, Research Methodologies
★ 4.8 (606) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Epidemiology, Public Health and Disease Prevention, Public Health, Infectious Diseases, Community Health, Infection Control, Economics, Policy, and Social Studies, Health Systems, Socioeconomics, Health Policy, Clinical Practices, Emergency Response, Immunology, Diagnostic Tests, General Medicine, Microbiology, Media and Communications, Molecular Biology, Estimation
★ 4.2 (223) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Authentications, Cloud Security, Threat Management, Cybersecurity, Threat Detection, Security Awareness, Cyber Attacks, Exploitation techniques, Network Security, Vulnerability Assessments, Cloud Services, Cloud Computing, Vulnerability Management, Data Security, Human Factors (Security), Incident Response, Software As A Service
★ 4.7 (675) · Beginner · Course · 1 - 3 Months

University of Rochester
Skills you'll gain: Instrumental Music, Music Theory, Musical Composition, Music, Music Performance, Music History, Performing Arts
★ 4.8 (611) · Beginner · Course · 1 - 3 Months

Workday
Skills you'll gain: Workday (Software), Business Intelligence, No-Code Development, HR Tech, Role-Based Access Control (RBAC), Patch Management, Branding
★ 4.8 (376) · Beginner · Course · 1 - 4 Weeks

CentraleSupélec
Skills you'll gain: Innovation, Strategic Thinking, Change Management, Creative Thinking, Cognitive flexibility, Creative Problem-Solving, Organizational Change, Strategic Leadership, Strategic Planning, Decision Making, Business Management, Critical Thinking
★ 4.7 (474) · Mixed · Course · 1 - 3 Months