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.

Lund University
Skills you'll gain: Radiation Therapy, Medical Equipment, Materials science, Semiconductors, electromagnetics, Physics, Emerging Technologies, Laboratory Research, General Science and Research
★ 4.7 (203) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Seaborn, Data Storytelling, Data Visualization, Data Presentation, Data Integration, A/B Testing, Data Import/Export, Statistical Hypothesis Testing, Text Mining, Data-Driven Decision-Making, Git (Version Control System), Matplotlib, Pandas (Python Package), Version Control, GitHub, Social Media Analytics, Statistical Analysis, Exploratory Data Analysis, Jupyter, NumPy
★ 4.3 (90) · Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
★ 3.5 (99) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
★ 4.3 (150) · Intermediate · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Cloud Security, Cloud-Native Computing, Cloud Computing Architecture, Infrastructure Security, DevSecOps, Cloud Computing, Cloud Deployment, Cloud Technologies, IT Security Architecture, Application Security, Cloud Infrastructure, Network Security, Cloud Services, Data Security, Docker (Software), Software As A Service, Hybrid Cloud Computing, Containerization, Data Centers, Vulnerability Scanning
★ 4.7 (151) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Mobile Development Tools, Test Tools, Performance Stress Testing, Test Planning, Application Security
★ 3.7 (110) · Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Liberal Arts, Social Studies, English Language, Economics, Psychology, Business Management, Environmental Issue, Writing, Vocabulary
★ 4.1 (108) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Intellectual Property, Medical Science and Research, Clinical Research Ethics, Criminal Investigation and Forensics, Informed Consent, Medical Privacy, Institutional Review Board (IRB), Law, Regulation, and Compliance, Information Privacy, Legal Proceedings, Regulation and Legal Compliance, Life Sciences, Personal Injury Law, Case Law, Biotechnology, Case Studies
★ 4.8 (161) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Intellectual Property, Legal Risk, Responsible AI, General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Regulation and Legal Compliance, Information Privacy, Artificial Intelligence, AI literacy, Civil Law, Ethical Standards And Conduct
★ 4.5 (143) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, Context Engineering, Generative AI, Retrieval-Augmented Generation, Generative Model Architectures, Multimodal Prompts, ChatGPT, AI literacy, Generative Adversarial Networks (GANs), Responsible AI, Context Management, Data Ethics, Large Language Modeling, Artificial Intelligence, Embeddings
★ 4.4 (150) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Management, Data Presentation, Data Storytelling, Data Collection, Data Governance, Data Analysis, Information Privacy, Data Quality, Data Storage, Data Storage Technologies, Data Security, Exploratory Data Analysis, Data-Driven Decision-Making, Data Architecture, Data Visualization Software, Big Data, Machine Learning Methods, Machine Learning, Encryption
★ 4.8 (123) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Grafana, System Monitoring, Prometheus (Software), Application Performance Management, Devops Tools, DevOps, Continuous Monitoring, Docker (Software), Cloud-Native Computing, Containerization, Interactive Data Visualization, Kubernetes, Dashboard Creation, Distributed Computing
★ 4.6 (104) · Intermediate · Course · 1 - 3 Months