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.

American Psychological Association
Skills you'll gain: Clinical Psychology, Mental Health Diseases and Disorders, Psychiatry, Psychological Evaluations, Mental Health, Mental and Behavioral Health, Patient Evaluation, Behavioral Health, Cognitive Behavioral Therapy, Cultural Diversity, Patient Treatment
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Project Closure, Work Breakdown Structure, Earned Value Management, Configuration Management, Project Portfolio Management, Negotiation, Communication Planning, Project Management Life Cycle, Project Risk Management, Project Management, Project Schedules, Agile Methodology, Project Controls, Project Implementation, Product Roadmaps, Scheduling, Project Planning, Risk Management, Team Leadership, Stakeholder Engagement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: R Programming, Alteryx, Statistical Programming, Tableau Software, Data Cleansing, Data Visualization Software, Dashboard, Data Visualization, Data Storytelling, Interactive Data Visualization, Data Presentation, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Data Processing, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Spatial Analysis, Neurology, Human Learning, Psychology, Computational Thinking, Visual Impairment Education, Experimentation, Anatomy, Laboratory Research, Physiology, Biology, Magnetic Resonance Imaging
Beginner · Course · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, 3D Modeling, Engineering Design Process, Mechanical Design, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Thermal Management, Chemical Engineering, Materials science, Simulations, Engineering Analysis, Engineering Calculations, Physics, Estimation, Mathematical Modeling, Calculus
Advanced · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Ancient History, World History, International Relations, Political Sciences, Timelines, Governance, Research Methodologies, Cultural Diversity
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Aerospace Basic Quality System Standards, Global Positioning Systems, Engineering Design Process, Control Systems, Systems Integration, Engineering, Human Factors, System Testing, Communication Systems, Robotics, Automation, Structural Engineering, Thermal Management, Physical Science, Electric Power Systems, Environmental Monitoring, Mechanics
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: High Voltage, Power Electronics, Electrical Equipment, Electronic Systems, Basic Electrical Systems, Control Systems, Test Equipment, Electric Power Systems, Wiring Diagram, Hardware Troubleshooting, Electrical Safety, Sustainable Technologies, Thermal Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Operations Management, Process Design, Operational Excellence, Business Operations, Operational Efficiency, Consumer Behaviour, Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Business Ethics, Marketing Psychology, Marketing, Global Marketing, Social Sciences, International Relations, Culture, Business, Sustainable Business
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Prototyping, Manufacturing Processes, Materials science, Manufacturing and Production, Mechanical Engineering, 3D Modeling, Safety Training, Personal protective equipment
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Chemistry, General Science and Research, Physical Science, Analytical Chemistry, Laboratory Research, Materials science, Scientific Methods, Experimentation, Estimation
Mixed · Course · 1 - 3 Months