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.

California Institute of the Arts
Skills you'll gain: Service Improvement, Business Process Automation, Process Improvement, Customer experience improvement, Sales Process, Client Services, Project Scoping, Presentations, Expectation Management, Business Planning, Brand Strategy, Web Presence, Scope Management, Entrepreneurship, Business Development, Professional Networking, Branding, Portfolio Management, Value Propositions
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Cloud Security, Network Security, General Networking, Operating System Administration, Network Architecture, Data Security, Application Security, Cloud Computing, Cloud Computing Architecture, Cloud Infrastructure, Operating Systems, Linux, Security Controls, Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Process Improvement, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Knowledge Transfer, Process Improvement and Optimization, Continuous Improvement Process, Lean Methodologies, Quality Management, Functional Specification, Statistical Methods, Design and Product, Probability & Statistics
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Image Quality, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Image Analysis, Systems Design, Human Factors, System Design and Implementation, Engineering Calculations, Technical Design, Simulation and Simulation Software, Engineering Design Process, Mathematical Modeling, Applied Mathematics
Build toward a degree
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Programming Principles, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Program Development, Software Development Methodologies, Agile Methodology, Software Development, Software Design, Agile Software Development, Systems Architecture, Mainframe Computing, Scrum (Software Development), Test Planning, Mainframe Technologies, Software Testing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Environment, Environmental Science, Life Sciences, Biology, Environmental Resource Management, Environment and Resource Management, Natural Resource Management, Sustainable Development, Sustainable Systems, Social Studies, Economics
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Maintainability, Test Automation, Software Testing, Test Case, Program Development, Debugging, Software Development, Python Programming, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Bootstrap (Front-End Framework), Web Design and Development, Web Development, Web Applications, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Browser Compatibility, User Interface and User Experience (UI/UX) Design, User Experience Design, Requirements Analysis, Requirements Elicitation, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Plot (Graphics), Graphing, Numerical Analysis, Python Programming, Mathematical Software, Software Visualization, Algebra, Derivatives, Computer Programming
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Data Storytelling, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks