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.

Northwestern University
Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Strategy, Social Media, Business Marketing, Social Media Analytics, Marketing Effectiveness, Marketing, Performance Measurement, Performance Analysis, Performance Metric, Business Metrics, Customer Engagement, Business-To-Consumer, Driving engagement, Legal Risk, Key Performance Indicators (KPIs), Sales Enablement, Integrated Marketing Communications, A/B Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Systems Development Life Cycle, Software Development Life Cycle, Mainframe Technologies, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Agile Software Development, Debugging, Pseudocode, Program Development, Software Development Methodologies, Virtualization, Agile Methodology, Software Development, File I/O
Intermediate · Professional Certificate · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Threat Modeling, Maintainability, Code Coverage, Application Deployment, Continuous Deployment, Continuous Delivery, Software Testing, Continuous Integration, CI/CD, Test Driven Development (TDD), Software Documentation, Build Tools, Technical Documentation
Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Product Marketing, Value Propositions, Target Market, Marketing, Strategic Marketing, Product Strategy, Market Analysis, Market Research, Marketing Strategy and Techniques, Marketing Strategies, Target Audience, Market Trend, Market Dynamics, Market Intelligence, Competitive Analysis, Customer Insights, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Vocabulary, Oral Comprehension, Language Competency, Grammar, Language Learning
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Care Management, Medical Privacy, Revenue Cycle Management, Practice Management, Organizational Change, Change Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Performance Review, Data Management, ICD Coding (ICD-9/ICD-10), Medical Terminology, Claims Processing, Medical Billing, Patient Safety, Continuous Quality Improvement (CQI), Medical Management, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Policy, Health Informatics, Biostatistics, Infectious Diseases, Health Information Management, Program Evaluation, Descriptive Analytics, Statistical Methods
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Financial Services, Financial Systems, Banking, Emerging Technologies, Finance, Technology Strategies, Blockchain, Business Technologies, Consumer Lending, Entrepreneurship, Big Data, Market Trend, Digital Assets, Innovation, Market Opportunities
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Transfer Learning, Model Training, Fine-tuning, Deep Learning, Machine Learning Methods, Image Quality, Generative AI, Data Preprocessing, Artificial Neural Networks, Matlab, Applied Machine Learning, Machine Learning, Classification Algorithms, Software Visualization
Beginner · Professional Certificate · 3 - 6 Months
Duke University
Skills you'll gain: Deductive Reasoning, Logical Reasoning, Computational Logic, Verification And Validation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sales Territory Management, Cold Calling, Regional Sales, Consultative Selling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Agentic Workflows, Closing (Sales), Sales, Sales Operations, AI Personalization, Generative AI Agents, Sales Pipelines, Business Strategy, Customer Engagement, Customer Analysis, Campaign Management
Intermediate · Specialization · 3 - 6 Months