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.

Skills you'll gain: GitHub, Jenkins, Git (Version Control System), Version Control, Selenium (Software), CI/CD, Test Automation, Test Script Development, Test Data, Unit Testing, Test Case, Software Testing, Test Execution Engine, Python Programming
Advanced · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Unix Shell, Command-Line Interface, Scripting Languages, Code Reusability, Automation, DevOps
★ 4.7 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Matplotlib, Data Processing, Plot (Graphics), Data Storytelling, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Data Structures, Heat Maps, Data Manipulation, Pandas (Python Package), NumPy, Data Transformation, Numerical Analysis, Exploratory Data Analysis, Data Cleansing, Data Mapping, Data Wrangling, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Java Programming, Object Oriented Design, Software Development Tools, Computer Programming Tools, Code Reusability, Software Installation, Linux Commands
★ 4.8 (6) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: 3D Assets, 3D Modeling, Unreal Engine, Video Game Development, Animation and Game Design, Computer Graphics, Digital Assets, Asset Management, Geometry, Graphics Software, Workflow Management, Design, Editing, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Data Dictionary, Computational Logic, Data Cleansing, Data Structures, Python Programming, Data Manipulation, Logical Reasoning
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Machine Learning Algorithms, Statistical Analysis, Probability & Statistics, Probability Distribution, R Programming, Machine Learning Methods, Statistical Methods, R (Software), Applied Machine Learning, Statistical Machine Learning, Statistics, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Statistical Programming, Correlation Analysis, Data Manipulation, Supervised Learning
★ 4.6 (16) · Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Vibe coding, LLM Application, Generative AI Agents, Email Automation, Agentic Workflows, Large Language Modeling, AI Integrations, AI Workflows, Agentic systems, Software As A Service, Prompt Engineering, Tool Calling, Sales Process, Sales Development, Business Logic, No-Code Development, Development Testing, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Software Testing, User Acceptance Testing (UAT), Performance Stress Testing, Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Video Game Development, Game Design, 3D Assets, Interactive Design, Simulation and Simulation Software, Virtual Environment, Simulations, Computer Graphics, Computer Graphic Techniques, Physics, Visualization (Computer Graphics), Color Theory
★ 4.9 (12) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Java, Java Programming, Programming Principles, Computer Programming, Performance Tuning, Computational Thinking, Theoretical Computer Science, Solution Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), React.js, React Redux, Cloud Deployment, Application Deployment, Software Testing, Web Development, JavaScript Frameworks, Code Reusability, Software Architecture, Context Management, Front-End Web Development, Real Time Data, Frontend Integration, Application Programming Interface (API), Event-Driven Programming, Cascading Style Sheets (CSS), UI Components, Frontend Performance, Development Environment
Beginner · Specialization · 3 - 6 Months