Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Software Design
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Exploratory Data Analysis, Data Visualization, Data Literacy, Data-Driven Decision-Making, Data Presentation, SAS (Software), Data Storytelling, Trend Analysis, Data Manipulation, Data Analysis, Data Quality, Data Preprocessing, Analysis, Analytics, Interactive Data Visualization, Technical Communication, Data Ethics, Data Visualization Software, Analytical Skills, Data Cleansing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Test Case, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, Application Design, Tool Calling, Large Language Modeling, Context Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Design, Predictive Modeling, Algorithms, Data Structures, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Load Balancing, Cloud Infrastructure, Containerization, Data Persistence, YAML, Data Storage, Authorization (Computing), General Networking, Network Security, Encryption
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Computer Architecture, Programming Principles, C (Programming Language), Computer Science, Theoretical Computer Science, Computer Programming, Computational Logic, Computer Hardware, Data Structures, Algorithms, Emerging Technologies
Mixed · Course · 3 - 6 Months

Skills you'll gain: LangGraph, Agentic Workflows, AI Orchestration, AI Workflows, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Cross Platform Development, Software Testing, Cloud Hosting, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Cybersecurity, Cyber Threat Intelligence, Cyber Operations, IT Automation, Scripting, Python Programming
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Exploratory Data Analysis, Pandas (Python Package), Extract, Transform, Load, Data Analysis, NumPy, Package and Software Management, Time Series Analysis and Forecasting, Data Visualization Software, Data Science, Python Programming, Jupyter, Graphing, Matplotlib, Data Import/Export, Data Manipulation, Software Installation, Ubuntu, Scripting, Computational Thinking, Mac OS
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: File I/O, Maintainability, Program Development, C (Programming Language), Software Engineering, System Programming, Software Development, Simulations, Command-Line Interface, Operating Systems, User Interface (UI), Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks