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.

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Data Integration, R (Software), R Programming, Exploratory Data Analysis, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Apache Spark, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, AWS SageMaker, Scalability, Tensorflow, Dimensionality Reduction, Autoencoders, Artificial Neural Networks, Applied Machine Learning, Python Programming, Fraud detection, Machine Learning Algorithms, Model Optimization, Model Evaluation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), Object Oriented Design, Android Development, Android (Operating System), User Interface (UI) Design, Animation and Game Design, C# (Programming Language), Mobile Development, Application Deployment, Code Reusability, Software Installation, UI Components, Linear Algebra, Computational Logic, Interactive Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Web Language, Software Development Tools, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Data Integration, R (Software), Data Synthesis, Data Ethics, R Programming, Informed Consent, Data Sharing, Statistical Methods, Sampling (Statistics), Statistical Modeling, Descriptive Statistics, Logistic Regression, Information Privacy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animations, Animation and Game Design, Computer Graphics, Timelines, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Descriptive Statistics, Market Data, Financial Data, Risk Modeling, Risking, Regression Analysis, Descriptive Analytics, Statistical Methods, Statistical Hypothesis Testing, Correlation Analysis, Statistical Modeling, Statistical Reporting, Data Analysis Software, Statistical Programming, Statistical Analysis, Quantitative Research, Financial Market, Time Series Analysis and Forecasting, Statistical Software
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Prompt Engineering Tools, Model Evaluation, Fine-tuning, Agentic systems, Model Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Object Oriented Programming (OOP), Behavior-Driven Development, Java, Jenkins, Object Oriented Design, Continuous Integration, Test Automation, Java Programming, CI/CD, Application Frameworks, Test Script Development, Software Testing, Software Design Patterns, Code Reusability
Intermediate · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Software Development, Software Engineering, Professional Development, Professionalism, Ethical Standards And Conduct, Teamwork, Computer Programming, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, Query Languages, Database Management, Pivot Tables And Charts, Data Analysis, Performance Tuning, Business Intelligence, Database Management Systems, Business Intelligence Software, Data Manipulation, Analytics, Analysis, Data Transformation, Business Reporting, Decision Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Stored Procedure, Database Management, SQL, Database Development, Database Application, C# (Programming Language), Application Development, Integration Testing, Development Environment, Microsoft Development Tools, Development Testing, Object-Relational Mapping, Microsoft Visual Studio, User Interface (UI), User Interface (UI) Design, Data Access, Email Automation, Document Management, Data Modeling
Intermediate · Course · 1 - 3 Months