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.

Rice University
Skills you'll gain: Pulmonology, Respiration, Respiratory Therapy, Anatomy, Respiratory Care, Physiology, Pathology, Swallowing Disorders
★ 4.9 (15) · Intermediate · Course · 1 - 3 Months

Parsons School of Design, The New School
Skills you'll gain: Building Design, Sustainable Design, Sustainable Architecture, Public Health, Chemistry, Architectural Design, Health Assessment, Sustainable Development, Sustainability Standards, Pollution Prevention, Hazard Analysis, Materials science, Innovation
★ 4.8 (23) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Grant Writing, Institutional Review Board (IRB), Grant Applications, Proposal Writing, Proposal Development, Clinical Research Ethics, Medical Science and Research, Research Design, Resource Allocation, Peer Review, Budgeting, Constructive Feedback
★ 4.8 (36) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Javascript, Database Management
★ 4.6 (68) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Linux, Linux Administration, File Systems, Shell Script, Package and Software Management, Electrical Engineering
★ 4.4 (156) · Advanced · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Statistical Modeling, Python Programming, Supervised Learning, Machine Learning, Agentic systems, Artificial Intelligence, Model Optimization, Algorithms, AI literacy
★ 4.5 (59) · Intermediate · Specialization · 3 - 6 Months

EDHEC Business School
Skills you'll gain: Environmental Policy, Economics, Climate Change Programs, Environmental Issue, Economics, Policy, and Social Studies, Financial Policy, Climate Change Mitigation, Cost Benefit Analysis, Policy Analysis, Climate Change Adaptation, Futures Exchange, Environmental Regulations, Derivatives, Market Analysis, Financial Market, Tax, Financial Trading, Mathematical Modeling
★ 4.6 (71) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (235) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Devops Tools, DevOps, Version Control, CI/CD, Continuous Integration, Continuous Deployment, Development Environment, Software Development, Amazon Elastic Compute Cloud, Authentications
★ 4.8 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
★ 4.9 (55) · Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Hazard Analysis, Building Services Engineering, Threat Detection, Electronic Components, Telecommunications, Electrical Systems, Systems Integration, Anomaly Detection, Electrical Safety, Safety Standards, Communication Systems, Electrical Equipment, Electronic Systems, Safety and Security, Electrical Engineering, Network Infrastructure, Technical Standard, Control Panels
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Pipelines, Data Processing, Data Import/Export, Data Infrastructure, Linux Commands, Linux, File Systems, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks