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 California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Vulnerability Scanning, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software)
★ 4.4 (67) · Intermediate · Course · 1 - 4 Weeks

Carnegie Mellon University
Skills you'll gain: Chemical Engineering, Engineering, Thermal Management, Process Engineering, Applied Mathematics, Materials science, Biological Engineering, Chemistry, Biochemistry, Physics, Molecular, Cellular, and Microbiology, Mathematical Modeling, Physical Science
★ 3.9 (52) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Biology, Microbiology, Life Sciences, Molecular, Cellular, and Microbiology, Environment, Environmental Science, Infectious Diseases, Molecular Biology, Cell Biology, Taxonomy
★ 4.8 (78) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Statistical Analysis, Data Analysis Software, Statistical Software, Statistical Programming, STATA (Software), R (Software), Data Integration, Data Ethics, Stata, R Programming, Sampling (Statistics), Statistical Modeling, Descriptive Statistics, Regression Analysis, Logistic Regression, Informed Consent
★ 4.2 (70) · Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Generative Model Architectures, Machine Learning Methods, Google Gemini, ChatGPT, OpenAI, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Prompt Engineering, Applied Machine Learning, Machine Learning, Deep Learning, Machine Learning Algorithms, Computer Vision, Predictive Modeling, Supervised Learning, Text Mining
★ 3.7 (68) · Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Planning, Professional Networking, Market Opportunities, Lifelong Learning, Goal Setting, Professional Development, Personal Development, Market Research, Cognitive flexibility, Adaptability, Personal Attributes, Self-Awareness, Market Trend, Market Analysis, Creative Thinking, Decision Making, Gap Analysis, Trend Analysis
★ 4.1 (53) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, MLOps (Machine Learning Operations), Data Store, Databricks, Cloud Management, Cloud Computing, Applied Machine Learning, Model Deployment, Data Pipelines, Model Training, Data Preprocessing, Model Optimization, Responsible AI, Machine Learning, Model Evaluation, Information Privacy, Data Security
★ 3.7 (71) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
★ 4.5 (86) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, C and C++, C (Programming Language), Statistical Analysis, Data Presentation, Programming Principles, Computer Programming, Descriptive Statistics, Histogram, Graphing
★ 4.7 (93) · Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Object Oriented Design, Computational Logic
★ 4.8 (65) · Intermediate · Course · 1 - 3 Months

High Tech High Graduate School of Education
Skills you'll gain: Education and Training, Pedagogy, Growth Mindedness, Learning Theory, Human Learning, Student Engagement, Experimentation, Psychological Evaluations, Learning Strategies, Discussion Facilitation, Peer Review, Media and Communications
★ 3.9 (58) · Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Simulations, Probability Distribution, Probability, Statistical Methods, Simulation and Simulation Software, Probability & Statistics, Statistics, Microsoft Excel, Excel Formulas, Complex Problem Solving, Excel Macros, Business Modeling, Risk Modeling, Statistical Analysis, Process Modeling
★ 4.5 (67) · Beginner · Course · 1 - 4 Weeks