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, MySQL, SQL, JSON, Scripting, Data Persistence, Data Manipulation, Data Structures, Database Management, Databases, Data Import/Export, Data Capture, Spatial Analysis, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Django (Web Framework), Git (Version Control System), Full-Stack Web Development, API Testing, Server Side, API Design, Application Development, Restful API, Unit Testing, MySQL, User Accounts, Web Applications, Databases
Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Transfer Learning, Deep Learning, Machine Learning Methods, Image Quality, Data Preprocessing, Artificial Neural Networks, Unsupervised Learning, Matlab, Applied Machine Learning, PyTorch (Machine Learning Library), Machine Learning, Classification Algorithms, File I/O, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Professional Certificate · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Blended Learning, Pedagogy, Large Language Modeling, Digital pedagogy, LLM Application, Instructional Design, Learning Strategies, Education Software and Technology, Interactive Learning, Educational Materials, AI Personalization, Innovation, Differentiated Instruction, Lifelong Learning, AI Enablement, Human Learning, Solution Design, Adult Learning Principles, Prompt Engineering Tools, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Scikit Learn (Machine Learning Library), Probability & Statistics, Pandas (Python Package), Natural Language Processing, Data Preprocessing, Data Analysis, Classification Algorithms, Matplotlib, Python Programming, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Scikit Learn (Machine Learning Library), Applied Machine Learning, Supervised Learning, Machine Learning, Feature Engineering, Data Analysis, Keras (Neural Network Library), Predictive Modeling, Tensorflow, Technical Communication, Python Programming, Statistical Analysis, Regression Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Agentic Workflows, AI Orchestration, AI Workflows, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks
Universidad de los Andes
Skills you'll gain: Game Design, Video Game Development, Scrum (Software Development), Unity Engine, Value Propositions, Animations, Functional Specification, Sprint Retrospectives, Business Modeling, Agile Methodology, 3D Assets, Agile Software Development, Animation and Game Design, Software Design Documents, Software Development Methodologies, Customer Analysis, Interaction Design, Software Documentation, User Interface (UI), Virtual Environment
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft SQL Servers, SQL, Transact-SQL, Databases, Relational Databases, Data Transformation, Data Manipulation, Query Languages, Generative AI, Data Analysis
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Statistical Inference, Data-Driven Decision-Making, Statistical Hypothesis Testing, Bayesian Statistics, Probability & Statistics, Statistical Analysis, Quantitative Research, Data Analysis, Sampling (Statistics), Jupyter, Pandas (Python Package), Python Programming
Intermediate · Course · 1 - 4 Weeks