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 Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistical Software, Statistics, Statistical Visualization, R (Software), Statistical Methods, Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Statistical Programming, Descriptive Analytics, Statistical Hypothesis Testing, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Network Support, Networking Hardware
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: 3D Modeling, 3D Assets, Autodesk, Visualization (Computer Graphics), Editing
Mixed · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Interpersonal Communications, Emotional Intelligence, Leadership Studies, Empathy & Emotional Intelligence, Constructive Feedback, Leadership, Empathy, Trustworthiness, Leadership Development, Management Training And Development, Engineering Management, Active Listening, Communication, Communication Strategies, Non-Verbal Communication, Supervision, Personal Integrity, Coaching
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Team Leadership, Performing Arts, Entrepreneurship, Event Management, Leadership, Initiative and Leadership, Booking (Sales), Professional Development, Professionalism, Goal Setting, Injury Prevention
Intermediate · 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, OpenAI, Generative Adversarial Networks (GANs), Responsible AI, Context Management, Data Ethics, Large Language Modeling, Embeddings
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unity Engine, Software Design Patterns, Data Structures, C# (Programming Language), Video Game Development, Software Design, Programming Principles, Graph Theory, Software Architecture, Algorithms
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Performance Measurement, Cross-Functional Team Leadership, Sales Process, Business Risk Management, Consultative Approaches, Relationship Building, Solution Selling, Upselling, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Communication, Business Analytics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Video Editing, Adobe Premiere, Animations, Post-Production, Photo/Video Production and Technology, Motion Graphics, Video Production, Graphic and Visual Design, Editing, Graphic Design
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Lesson Planning, Teaching, Differentiated Instruction, Instructional Strategies, Curriculum Planning, Peer Review, Educational Materials, Instructional Design, Pedagogy, Student Engagement, Community Outreach, Parent Communication, English Language, Driving engagement, Language Learning
Mixed · Course · 1 - 3 Months