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: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
★ 4 (6) · Beginner · Specialization · 1 - 4 Weeks

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Query Languages, Data Transformation, Data Integration, Python Programming, Data Analysis, Debugging
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Plot (Graphics), Pandas (Python Package), Data Persistence, NumPy, Scripting, Object Oriented Programming (OOP), Python Programming, Query Languages, Databases, Object Oriented Design, Data Import/Export, Data Access, File Management
★ 4.4 (21) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Program Development, Computational Thinking, Education Software and Technology, Collaborative Software, Digital pedagogy, Programming Principles, Debugging, Computer Programming, Computer Programming Tools, Algorithms, Computer Science, Brainstorming
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, OpenAI, Agentic Workflows, Model Context Protocol, Generative AI Agents, Agentic systems, Decision Intelligence, Tool Calling, Prompt Engineering, ChatGPT, AI Integrations, Artificial Intelligence, Application Programming Interface (API), Context Management, Large Language Modeling, Python Programming, Memory Management, Development Environment, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Prompt Engineering, Generative AI Agents, Data Analysis, Generative AI, OpenAI, Data Visualization Software, Data Manipulation, Artificial Intelligence, Python Programming
★ 4.9 (7) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Prompt Engineering, Large Language Modeling, Generative AI, LLM Application, Generative Model Architectures, AI literacy, AI powered creativity, Responsible AI, Visualization (Computer Graphics)
★ 4.6 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embeddings, Natural Language Processing, Text Mining, Classification Algorithms, Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Integrated Development Environments, Web Applications, HTML and CSS, Python Programming, Javascript, Design
★ 4.3 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Frontend Integration, Back-End Web Development, Full-Stack Web Development, Server Side, Email Automation, Data Access, Apache Tomcat, Front-End Web Development, Application Servers, Java Programming, HTML and CSS, Databases, PostgreSQL, Relational Databases, Java, User Interface (UI), Web Design, Database Development
★ 4.6 (53) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Computer Hardware, Hardware Troubleshooting, Hardware Architecture, Peripheral Devices, System Support, Safety Standards, System Configuration, Computer Systems, Computer Architecture, Memory Management, Microarchitecture, IT Infrastructure, Information Technology, IT Management, Computer Programming, IT Service Management
Beginner · Course · 1 - 3 Months