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.

Coursera
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Apple iOS, iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Role-Based Access Control (RBAC), Vulnerability Assessments, Mobile Security, Software Testing, Mobile Development, Secure Coding, Authentications, Unit Testing, Application Security, Encryption, Security Testing, IT Security Architecture, Network Security, Application Programming Interface (API), Authorization (Computing), Mobile Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Excel Macros, Microsoft Copilot, Pivot Tables And Charts, Excel Formulas, Microsoft Excel, ChatGPT, Data Import/Export, Data Modeling, Data Analysis, Data Transformation, Data Cleansing, Data Integration, Visual Basic (Programming Language)
Advanced · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Automation Engineering, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering Calculations, Engineering, Mechanics, Mechanical Engineering, Artificial Intelligence, Vibrations, Applied Mathematics, Engineering Analysis, Automation, Virtual Environment, Torque (Physics), Graph Theory, Matlab
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Time Series Analysis and Forecasting, SQL, Statistical Analysis, Analytics, Analytical Skills, Advanced Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Web Design, Web Design and Development, Usability, Content Management Systems, Web Development, Performance Tuning, Project Design, Application Deployment, PHP (Scripting Language), Software Installation, Apache, Responsive Web Design, Development Environment, Web Development Tools, MySQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Software Testing, Quality Assurance, Test Case, Software Development, Application Development, Data Validation, Object Oriented Programming (OOP), Debugging, User Interface (UI), Command-Line Interface, Data Modeling, Requirements Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Model Evaluation, Jupyter, Data Analysis, Applied Machine Learning, Analytical Skills, Data Manipulation, Matplotlib, Business Analytics, Exploratory Data Analysis, Data Visualization Software, Python Programming, Descriptive Statistics, Linear Algebra
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Git (Version Control System), Version Control, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Software Technical Review, Software Design, Hardware Architecture, Computer Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Microsoft Visual Studio, Application Design, Application Programming Interface (API), Software Development Tools, File I/O, Authentications, Application Security, Software Testing, Unit Testing, Debugging
Beginner · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Maintainability, Application Design, Software Engineering, Development Environment, Application Development, Application Security, Unit Testing, Scalability, Software Design, Debugging, Application Deployment, Software Configuration Management, Business Logic
Beginner · Course · 1 - 3 Months

Intermediate · Course · 1 - 3 Months