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.

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Financial Market, Portfolio Risk, Capital Markets, Risk Analysis, Risk Management, Market Dynamics, Portfolio Management, Financial Modeling, Operations Research, Mathematical Modeling, Probability Distribution, Applied Mathematics, Computer Programming
Intermediate · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Debugging, Program Development, Computer Systems, Computer Architecture, System Programming, Computer Science, Computational Logic, Programming Principles, Data Storage, Operating Systems, C (Programming Language), Data Structures, Application Security
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Threat Hunting, Threat Detection, Endpoint Detection and Response, Cyber Security Strategy, System Monitoring, Cybersecurity, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Anomaly Detection, Scripting, Scripting Languages
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, Web Development, Computational Thinking, Debugging, Random Forest Algorithm, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Control Systems, Robotics, Automation Engineering, Simulations, Matlab, Mathematical Modeling, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Computer Programming, Microsoft Visual Studio, System Programming, Apple Xcode, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), Statistical Analysis, Automation, Program Development, Data Structures, Programming Principles, Algorithms, Computer Programming, Theoretical Computer Science, Data Storage, Descriptive Statistics, Data Visualization Software, Debugging
Beginner · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, User Interface (UI), Software Design, Storytelling, User Experience Design, C# (Programming Language), Animations
Intermediate · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Computer Vision, Natural Language Processing, Robotics, Machine Learning, Big Data, Artificial Intelligence, Supervised Learning, Deep Learning, Reinforcement Learning, Data Analysis
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks