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.

Northeastern University
Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Plot (Graphics), Seaborn, Data-Driven Decision-Making, Network Model, Data Mining, Scatter Plots, R Programming, R (Software), Graphing, Graph Theory, Box Plots, Heat Maps
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI powered creativity, Prompt Engineering Tools, Artificial Intelligence and Machine Learning (AI/ML), Customer experience improvement, AI Integrations, Data Science, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Unit Testing, Test Driven Development (TDD), Continuous Integration, CI/CD, Software Testing, Continuous Deployment, Testability, Test Script Development, Model Training, Development Testing, Tensorflow, Maintainability, Applied Machine Learning, Software Engineering, Code Reusability, Machine Learning Methods, Python Programming, Software Design
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Presentation, Data Literacy, Matplotlib, Analytics, Probability Distribution, Data Processing, Probability & Statistics, Statistical Methods, Statistical Analysis, Probability, Data Cleansing, Computer Programming Tools, Data Collection, Performance Measurement, Python Programming, Technical Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GraphQL, API Design, Restful API, Application Programming Interface (API), ASP.NET, Authentications, Data Validation, .NET Framework, Authorization (Computing), C# (Programming Language), Serverless Computing, Software Documentation, Cloud Deployment, Microsoft Azure, Software Architecture, Application Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: OAuth, Microservices, Spring Framework, Spring Boot, Containerization, Application Deployment, Apache Kafka, Development Testing, Software Testing, Docker (Software), Kubernetes, Unit Testing, Authentications, Integration Testing, Data Access, Software Architecture, Secure Coding, Restful API, Java Programming, Java
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Git (Version Control System), GitHub, Android (Operating System), Android Development, Unity Engine, Animations, Software Versioning, C# (Programming Language), User Interface (UI), Video Game Development, Mobile Development, Scripting, Application Deployment, Scripting Languages, C and C++, Code Reusability, Game Design, 3D Assets, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Agentic Workflows, MongoDB, Retrieval-Augmented Generation, Vector Databases, Generative AI Agents, Scalability, Model Context Protocol, Context Engineering, Data Architecture, Systems Design, Tool Calling, System Design and Implementation, Development Environment, Embeddings, PostgreSQL, Database Design, Object-Relational Mapping, Data Modeling, SQL
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, Mobile Development, User Interface (UI) Design, C# (Programming Language), Animations, Scripting
Advanced · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Package and Software Management, Program Development, Python Programming, Code Reusability, Scripting, Software Development, Debugging, Computer Programming, Programming Principles
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Development Environment, Application Frameworks, Javascript, Web Applications, UI Components, Software Architecture, Data Store, Dataflow, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks