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.

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Test Tools, Test Case, JUnit, Test Script Development, Security Testing, Test Automation, Authentications, Application Programming Interface (API), Test Data, Scalability, Java Programming, Software Testing, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spring Boot, React.js, Object-Relational Mapping, Restful API, YAML, Data Access, Web Applications, Databases, Application Performance Management, Full-Stack Web Development, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: AI Personalization, Search Engine Optimization, Web Analytics, Semantic Web, Content Performance Analysis, Performance Metric, Algorithms, Personalized Service, Natural Language Processing, User Research, Data Structures
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), AI Enablement, Recurrent Neural Networks (RNNs), Data Preprocessing, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, Software Design
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Business Metrics, Business Analytics, Performance Measurement, Business Intelligence, Financial Data, Market Data, Key Performance Indicators (KPIs), Tableau Software, Analytical Skills, Big Data, Data Analysis, Competitive Intelligence, Data-Driven Decision-Making, E-Commerce, Microsoft Excel, SQL
Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Analysis, Data Wrangling, Probability & Statistics, Unsupervised Learning, Text Mining, Data Manipulation, Statistical Analysis, Data Preprocessing, Data Structures, Data Cleansing, Python Programming
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Application Deployment, Software Development Tools, Program Development, System Programming, Python Programming, Performance Tuning, Debugging, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Python Programming, Data Manipulation, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Software Engineering, Technical Documentation, Maintainability, Programming Principles, Software Design, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, OpenAI, LLM Application, Python Programming
Intermediate · Guided Project · Less Than 2 Hours