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.

DeepLearning.AI
Skills you'll gain: Linear Algebra, NumPy, Dimensionality Reduction, Data Preprocessing, Machine Learning Methods, Advanced Mathematics, Data Manipulation, Applied Mathematics, Mathematical Modeling, Machine Learning, Python Programming, Algebra
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Embeddings, Data Preprocessing, Scikit Learn (Machine Learning Library), NumPy, Data Pipelines, Unstructured Data, Matplotlib, Natural Language Processing, Pandas (Python Package), Machine Learning Methods, Scripting, Model Evaluation, Scientific Visualization, Data Transformation, Machine Learning, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Serverless Computing, Google Cloud Platform, Cloud Development, Cloud Applications, Cloud API, Cloud Security, Authorization (Computing), Authentications, Application Deployment, Operational Databases, Event-Driven Programming, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft 365, Microsoft Teams, Microsoft Outlook, Pivot Tables And Charts, Calendar Management, Excel Macros, Microsoft Copilot, Microsoft Excel, Collaborative Software, Excel Formulas, Data Validation, Productivity Software, Spreadsheet Software, Project Management Software, Organizational Skills, Collaboration, Data Manipulation, Data Visualization, Data Analysis, Visual Basic (Programming Language)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, Android Development, C# (Programming Language), Video Game Development, Animation and Game Design, User Interface (UI), Mobile Development, User Interface and User Experience (UI/UX) Design, Microsoft Visual Studio, Software Installation
Beginner · Course · 1 - 3 Months

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: AI Workflows, Agentic Workflows, Deepseek, Automation, DeepSeek API, OpenAI API, Agentic systems, Google Sheets
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Computer Vision, Image Analysis, Program Development, Data Science, Real Time Data, Python Programming, Development Environment, NumPy, Machine Learning Methods, System Design and Implementation, Motion Graphics, Model Deployment, Debugging, Software Installation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Extract, Transform, Load, Data Import/Export, Data Pipelines, Big Data, Data Migration, Data Integration, MySQL, Data Processing, SQL, Analytics, Data Manipulation, Database Management, Relational Databases, Data Architecture, Data Quality, Software Installation, Scalability, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MongoDB, Full-Stack Web Development, Node.JS, Web Development, Web Applications, Front-End Web Development, JavaScript Frameworks, Server Side, Back-End Web Development, Data Store, Network Routing, Database Development, Hypertext Markup Language (HTML), Development Environment, Middleware, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks