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.

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Skills you'll gain: Mobile Development, React.js, UI Components, Mobile Development Tools, Webpack, Front-End Web Development, Application Development, Dataflow, Code Reusability, Hypertext Markup Language (HTML), User Interface (UI), Event-Driven Programming, Cascading Style Sheets (CSS), Javascript, Development Environment
★ 4.7 (2.6K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Data Visualization, Plot (Graphics), Data Literacy, Statistics, Scientific Visualization, Matplotlib, Statistical Visualization, Probability & Statistics, Jupyter, Statistical Methods, Data Analysis, Statistical Analysis, Exploratory Data Analysis, Descriptive Statistics, Statistical Inference, NumPy, Data Dictionary, Box Plots, Python Programming
★ 4.7 (2.7K) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Peer Review, Object Oriented Design, Software Testing, Computer Programming, Program Development, Adaptability, Problem Solving
★ 4.7 (7.2K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Context Protocol, Agentic Workflows, AI Workflows, LLM Application, Large Language Modeling, AI Orchestration, Generative AI Agents, Tool Calling, Agentic systems, Financial Trading, AI Integrations, Prompt Engineering, Market Data, Market Intelligence, Application Programming Interface (API), Machine Learning, Ubuntu, Algorithms, Language Learning, Business Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Large Language Modeling, Machine Learning Methods, Computer Vision, Data Science, Artificial Intelligence, Applied Machine Learning, NumPy, Pandas (Python Package), Python Programming, Natural Language Processing, Supervised Learning, Feature Engineering, Machine Learning, Predictive Modeling, Data Analysis, Data Visualization
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
★ 4.9 (12K) · Intermediate · Course · 3 - 6 Months

JetBrains
Skills you'll gain: Kotlin, Java Programming, Java, IntelliJ IDEA, Android Development, Mobile Development, Object Oriented Programming (OOP), Integrated Development Environments, Functional Design, Interoperability, Computer Programming, Programming Principles, Scripting, Unit Testing, Software Development, Development Environment, Code Review
★ 4.7 (2.1K) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, User Interface (UI) Design, Algorithms, Software Engineering, Geospatial Mapping, Programming Principles, Software Documentation
★ 4.7 (5.8K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: .NET Framework, API Design, ASP.NET, Process Driven Development, Application Programming Interface (API), Process Modeling, Enterprise Architecture, Restful API, Microservices, Web Services, C# (Programming Language), Enterprise Application Management, Cloud Deployment, Identity and Access Management, Software Architecture, Change Control, Systems Integration, Application Development, User Interface and User Experience (UI/UX) Design, Data Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Eclipse (Software), Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Object Oriented Design, Integrated Development Environments, Software Design Patterns, Code Reusability, Development Environment, Web Design and Development, Cascading Style Sheets (CSS), Javascript
★ 4.4 (873) · Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Predictive Modeling, Data Science, Predictive Analytics
★ 4.7 (862) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Patient Communication, Bilingual (Spanish/English), Patient Education and Support, Spanish Language, Patient-centered Care, Medical Terminology, Language Competency, Dignity in Care, Vocabulary, Oral Comprehension, Diagnostic Tests, Grammar, Pharmaceutical Terminology, Language Learning
★ 4.7 (339) · Intermediate · Course · 1 - 3 Months