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: Relationship Building, Relationship Management, Psychology, Rapport Building, Social Sciences, Interpersonal Communications, Decision Intelligence, Research
★ 4.5 (24) · Beginner · Course · 1 - 3 Months

Lund University
Skills you'll gain: Climate Change Adaptation, Social Justice, Environmental Policy, Environmental Regulations, Advocacy, Climate Change Mitigation, Diversity Equity and Inclusion Initiatives, Vulnerability, Accountability
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Technologies, Sustainable Development, Sustainable Design, Sustainable Systems, Environmental Social And Corporate Governance (ESG), Supply Chain Management, Supply Chain Planning, Supply Chain, Supply Chain Systems, Transportation, Supply Chain, and Logistics, Case Studies, Logistics, Logistics Management, Business Technologies, Climate Change Mitigation, Corporate Strategy, Transportation Operations, Waste Minimization
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Resilience, Emotional Intelligence, Empathy & Emotional Intelligence, Stress Management, Overcoming Obstacles, Empowerment, Courage, Empathy, Growth Mindedness, Persistence, Personal Development, Self-Awareness, Compassion, Cognitive flexibility, Personal Integrity, Decision Making, Optimism, Interpersonal Communications, Meditation & Breathwork, Mindfulness
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Image Quality, Digital Signal Processing, Image Analysis, Computer Vision, Digital Communications, Computer Graphics, Medical Imaging, Applied Mathematics, Sensory Systems Analysis, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram, Differential Equations
★ 4.7 (1.1K) · Mixed · Course · 1 - 3 Months

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Plot (Graphics), Scientific Visualization, NumPy, Mathematical Software, Algebra, Jupyter, Mathematical Modeling, Data Science, Software Development Tools, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Performance Improvement, Process Analysis, Business Process Improvement, Health Care Administration, Process Mapping, Health Administration, Health Systems, Business Analytics, Clinical Trials, Systems Thinking, Quality Improvement, Change Management, Care Management, Analytics, Patient-centered Care, Care Coordination, Clinical Research, Data Analysis, Strategic Thinking, Leadership
★ 4.7 (40) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Cyber Security Assessment, Open Web Application Security Project (OWASP), Security Testing, Exploitation techniques, Application Security, Patch Management, Cyber Threat Intelligence, Cyber Engineering, Cyber Governance, Risk Management Framework, Linux Administration, Dashboard Creation, Ethical Standards And Conduct, Linux, Linux Commands, Linux Servers
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Community Development, Socioeconomics, Crisis Management, Creativity, Social Impact, Cultural Diversity, Social Sciences, Sustainable Development, Innovation, Decision Making, Economic Development, Human Development, Demography, Economics, International Relations, Diversity and Inclusion
★ 4.6 (157) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Management, Disaster Recovery, IT Automation, Network Troubleshooting, Cloud Deployment, System Monitoring, Microsoft Azure, Cloud Computing, Cloud Security, Continuous Monitoring, Patch Management, Dashboard Creation
Advanced · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Mental Health, Clinical Psychology, Advocacy, Patient Communication, Trauma Care, Behavioral Health, Psychiatry, Nutrition and Diet, Psychiatric Assessments, Community Health, Mental Health Therapies, Mental and Behavioral Health, Psychology, Cultural Diversity, Psychotherapy, Health Education, Psychological Evaluations, Clinical Research, Physiology
★ 4.8 (34) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Shell Script, Command-Line Interface, Software Configuration Management, Bash (Scripting Language), Devops Tools, Software Installation, Configuration Management, Collaborative Software, Code Review, File Systems, Development Environment, Web Presence, Software Documentation
★ 4.5 (35) · Intermediate · Specialization · 3 - 6 Months