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.

Dartmouth College
Skills you'll gain: Supervised Learning, Predictive Modeling, Logistic Regression, Statistical Modeling, Model Evaluation, Machine Learning, Machine Learning Algorithms, Classification Algorithms, Regression Analysis, Probability & Statistics, Linear Algebra
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Database Management, Databases, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Quality Management, Project Management Life Cycle, Project Closure, Project Management, Continuous Improvement Process, Project Controls, Quality Assessment, Team Management, Project Risk Management, Data-Driven Decision-Making, Project Documentation, Stakeholder Communications, Data Storytelling, Risk Management, Meeting Facilitation, Communication Strategies, Strategic Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Authentications, Front-End Web Development, Authorization (Computing), Application Programming Interface (API), User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Web Scraping, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Database Design, SQL, MySQL, Data Transformation, Data Store, IBM DB2, Extract, Transform, Load, Data Architecture, Data Pipelines, Big Data, Databases, Database Management, Data Warehousing, Data Governance, Relational Databases, Stored Procedure, Data Import/Export, Programming Principles, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Growth Mindedness, Peer Review, Personal Attributes, Self-Awareness, Brainstorming, Prioritization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Ggplot2, R Programming, Data Analysis, Tidyverse (R Package), Data Visualization, Statistical Programming, Data Visualization Software, Data Cleansing, Data Manipulation, Data Import/Export, Data Structures
Beginner · Course · 1 - 3 Months

Airbus Beyond
Skills you'll gain: Corporate Sustainability, Sustainability Reporting, Sustainability Standards, Environmental Management Systems, Environmental Social And Corporate Governance (ESG), Supply Chain, Environmental Regulations, Environment and Resource Management, Environmental Laws, Transportation, Supply Chain, and Logistics, Logistics Management, Environmental Monitoring, Logistics, Environmental Policy, Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, C++ (Programming Language), C and C++, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Technical Design, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Customer experience improvement, Salesforce, Operational Excellence, Operational Efficiency, Cloud-Based Integration, Business Solutions, Amazon Web Services, Technology Solutions, Systems Integration, Business Operations, Solution Design, Data Integration, Business Transformation
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Software Design Patterns, Debugging, Computer Programming, Algorithms, File I/O, Data Structures, Computational Thinking, Pseudocode, Command-Line Interface, Graph Theory, Artificial Intelligence, Game Design
Beginner · Specialization · 3 - 6 Months