English pronunciation courses can help you learn vowel and consonant sounds, intonation patterns, and stress placement. You can build skills in clear speech, effective listening, and accent reduction techniques. Many courses introduce tools like phonetic charts and pronunciation apps, which assist in practicing sounds and tracking progress.

University of Pennsylvania
Skills you'll gain: Integral Calculus, Calculus, Differential Equations, Advanced Mathematics, Mathematical Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, General Networking, Network Architecture, Wireless Networks, Network Protocols, Computer Networking, TCP/IP, Local Area Networks, Network Security, Network Troubleshooting, System Configuration, Wide Area Networks, Servers
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Molecular Biology, Biochemistry, Human Development, Biology, Life Sciences, Environment, Molecular, Cellular, and Microbiology, Chemistry, Cell Biology, Environmental Issue, Child Development, Environmental Science, Environmental Resource Management, Music, Biotechnology, Environment and Resource Management, General Science and Research, Decision Making, Natural Resource Management, Liberal Arts
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Algorithms
Beginner · Course · 1 - 4 Weeks

Sapienza University of Rome
Skills you'll gain: Ancient History, Social Studies, World History, Art History, Social Sciences, Anthropology, Public History, European History, Cultural Diversity, Sociology, Research, Scientific Methods
Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Structural Engineering, Structural Analysis, Mechanical Design, Mechanical Engineering, Engineering Design Process, Engineering Analysis, Engineering Calculations, Engineering, Mechanics, Engineering Practices, Civil Engineering, Schematic Diagrams, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Robotics, Machine Controls, Control Systems, Engineering, Scientific, and Technical Instruments, Automation, Graph Theory, Planning, Algorithms, Computer Programming, Computer Science, Simulation and Simulation Software, Engineering, Simulations, Data Structures, Python Programming, Virtual Environment, Spatial Data Analysis, Linear Algebra, Applied Mathematics, Design
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Governance, Data Presentation, Data Visualization, Management Accounting, Data Storytelling, Budgeting, Marketing Analytics, Capital Budgeting, Financial Modeling, Financial Data, Data Ethics, SAS (Software), Interactive Data Visualization, Financial Management, Customer Analysis, Customer Insights, Digital Media Strategy, Corporate Finance, Business Valuation, Financial Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Power Electronics, Thermal Management, Electrical Safety, Electrical Power, Electric Power Systems, Electronic Systems, Electrical Equipment, Electrical Systems, Embedded Software, Electronic Components, Energy and Utilities, HVAC, Basic Electrical Systems, Sustainable Technologies, Automation, Environmental Issue, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Geospatial Information and Technology
Intermediate · Specialization · 1 - 3 Months
Duke University
Skills you'll gain: Deductive Reasoning, Logical Reasoning, Computational Logic, Verification And Validation
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Human Musculoskeletal System, Anatomy, Endocrinology, Orthopedics, Kinesiology, Physiology, Neurology, Medical Terminology, Biochemistry, Cell Biology, Biology, Chemistry, Clinical Practices, Molecular, Cellular, and Microbiology, Lifelong Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C++ (Programming Language), C and C++, Software Documentation, Code Reusability, Development Testing, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Performance Tuning, Application Design, Technical Documentation, Generative AI
Beginner · Professional Certificate · 3 - 6 Months