HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Microsoft
Skills you'll gain: Version Control, GitHub, Debugging, Git (Version Control System), Unit Testing, Data Structures, Data Manipulation, Python Programming, Software Testing, Scripting, Computer Programming, Web Development, Algorithms, Integrated Development Environments, Object Oriented Programming (OOP), Jupyter
Beginner · Course · 1 - 3 Months

Fudan University
Skills you'll gain: Game Design, Intellectual Property, Video Game Development, Production Process, Business, Company, Product, and Service Knowledge, Regulation and Legal Compliance, Innovation, Product Marketing, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Command-Line Interface, Network Security, Hardware Troubleshooting, Operating Systems, Network Troubleshooting, Network Infrastructure, Computer Hardware, Mac OS, Microsoft Windows, Information Systems Security, System Configuration, Computer Networking, Mobile Security, Technical Support and Services, System Support, Linux, Network Administration, Operating System Administration, Data Storage, Active Directory
Intermediate · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Machine Learning Methods, Unsupervised Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Intellectual Property, Responsible AI, Legal Risk, Reinforcement Learning, AI Enablement, Artificial Intelligence, General Data Protection Regulation (GDPR), Personally Identifiable Information, AI Security, Dimensionality Reduction, Legal Technology, Taxonomy, Cloud Platforms, Social Impact, Social Studies
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix, Git (Version Control System), Unix Commands, Version Control, Bash (Scripting Language), Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, Programming Principles, File Management
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Services, Event-Driven Programming, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Gradle, Application Development, Integrated Development Environments, Development Environment, Virtual Environment, Extensible Markup Language (XML), UI Components
Beginner · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Machine Learning Methods, Model Evaluation, Machine Learning, Google Cloud Platform, Machine Learning Algorithms, Applied Machine Learning, Financial Trading, Reinforcement Learning, Recurrent Neural Networks (RNNs), Supervised Learning, Data Pipelines, Time Series Analysis and Forecasting, Statistical Machine Learning, Technical Analysis, Deep Learning, Securities Trading, Portfolio Management, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Transfer Learning, Recurrent Neural Networks (RNNs), PyTorch (Machine Learning Library), Applied Machine Learning, Keras (Neural Network Library), Embeddings, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Musical Composition, Instrumental Music, Music Theory, Music, Classical Music, Creativity
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Business Intelligence, Big Data, Database Architecture and Administration, Information Systems, Database Systems, MySQL, Predictive Analytics, Database Design, MongoDB, Data Modeling, Scalability, Database Management Systems
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Systems, Torque (Physics), Electronic Components, Electric Power Systems, Electrical Equipment, Basic Electrical Systems, Electrical Engineering, Engineering Calculations, Low Voltage, Electronics, High Voltage, Machine Controls, Semiconductors, Test Equipment, Thermal Management, Mechanics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks