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: Pandas (Python Package), MLOps (Machine Learning Operations), NumPy, Model Deployment, Data Manipulation, Software Testing, Data Import/Export, Test Automation, Python Programming, Debugging, Data Structures, Machine Learning, Object Oriented Programming (OOP), Scripting, Numerical Analysis, Application Programming Interface (API), Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, Large Language Modeling, Generative AI, ChatGPT, Prompt Engineering, File Management, Application Programming Interface (API), Embeddings, Classification Algorithms, Application Development, Transfer Learning, Python Programming
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Programming Principles, Robotics, Python Programming, Program Development, Computer Programming, Scripting, Automation, Object Oriented Programming (OOP), Algorithms, Debugging, File I/O, Development Environment, Data Structures
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Image Analysis, Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Wrangling, Model Evaluation, Data Preprocessing, Operations Research, NumPy, Data Manipulation, Feature Engineering, Supervised Learning, Inventory Management System, Supply Chain, Applied Machine Learning, Trend Analysis, Data Visualization, Customer Demand Planning, Machine Learning, Data Science, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Distributed Computing, Scalability, Object Oriented Programming (OOP), Object-Relational Mapping, Microservices, Debugging, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Electrical and Computer Engineering, Electronic Systems, Electronics, Numerical Analysis, Telecommunications, Linear Algebra, Mathematical Modeling, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Financial Statements, Financial Accounting, Cash Flows, Ledgers (Accounting), Accounting, Financial Reporting, General Accounting, Balance Sheet, Income Statement, Bookkeeping, Accounting Records, Accrual Accounting, Equities
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Functional Design, Scripting, Scripting Languages, Python Programming, Data Science, Programming Principles, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Musical Composition, Music Performance
Mixed · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Relational Databases, Data Manipulation, Problem Solving
Beginner · Guided Project · Less Than 2 Hours