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.

Duke University
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainable Development, Corporate Sustainability, Environmental Issue, Sustainability Reporting, Stakeholder Management, Business Ethics, Stakeholder Analysis, Governance, Strategic Thinking, Business Communication, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Color Theory, Video Production, Cinematography, Editing, Photo/Video Production and Technology, Configuration Management, Web Content Accessibility Guidelines, Data Import/Export, Image Quality, Music, Color Matching, File Management, Typography
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Numerical Analysis, Linear Algebra, Physics, Angular, Engineering Calculations, Applied Mathematics, Advanced Mathematics, Mathematical Modeling, Calculus, Differential Equations, Physical Science
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: AI Enablement, Artificial Intelligence, Materials science, Artificial Neural Networks, Image Analysis, Computer Vision, Manufacturing Processes, Machine Learning, Process Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Security, Cloud Infrastructure, Cloud Computing, Cloud Applications, IT Security Architecture, Cloud Services, Cloud Technologies, Infrastructure Security, Application Security, Data Security, Cybersecurity, Computer Science, Risk Management Framework, Information Technology, Encryption
Intermediate · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, Network Administration, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Virtual Private Networks (VPN), Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Analysis, Software As A Service
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, Statistical Analysis, Data Modeling, Predictive Modeling, Mathematical Modeling, Probability & Statistics, A/B Testing, Quantitative Research, Machine Learning, Model Evaluation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Counseling, Preventative Care, Public Health and Disease Prevention, Nutritional Assessment, Health And Wellness Coaching, Exercise Science, Physiology, Biology, Anatomy, Communication
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Dashboard, Leaflet (Software), Interactive Data Visualization, R Programming, Scatter Plots, Box Plots, Spatial Data Analysis, Histogram, Data Science, Data Analysis, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content, Web Design and Development, Web Development, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Engineering, electromagnetics, Electronic Components, Mathematical Modeling, Thermal Management, Engineering Analysis, Engineering Design Process, Engineering Calculations, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks