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: Substance Abuse, Mental Health Diseases and Disorders, Clinical Psychology, Mental and Behavioral Health, Psychiatry, Trauma Care, Mental Health, Psychiatric Assessments, Psychology, Psychotherapy, Cognitive Behavioral Therapy, Behavioral Health, Psychological Evaluations, Pharmacology, Diagnostic Tests, Neurology, Cultural Diversity, Patient Treatment, Epidemiology, Patient Evaluation
Beginner · Specialization · 3 - 6 Months

Council on Foreign Relations
Skills you'll gain: International Relations, World History, Political Sciences, Social Sciences, Culture, Socioeconomics, Public Policies, Policy Analysis, Strategic Decision-Making, Economics, Governance, Analysis
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Language Learning, Language Competency, Vocabulary, Grammar, Oral Comprehension
Beginner · Course · 1 - 3 Months

Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Applied Mathematics, Differential Equations, Engineering Calculations, Mathematical Theory & Analysis, Linear Algebra, Mathematical Modeling, Derivatives, Physics
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Leadership and Management, Team Management, Adaptability, Professional Development, People Development, Organizational Leadership, Leadership, Mentorship, Emotional Intelligence, Decision Making, Communication, Active Listening, Self-Awareness, Critical Thinking
Mixed · Course · 1 - 4 Weeks
Curtis Institute of Music
Skills you'll gain: Music Performance, Instrumental Music, Music History, Classical Music, Performing Arts, Music, Music Theory
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Home Health Care, Nutrition and Diet, Geriatrics, Cultural Diversity, Caregiving, Working With Children, Meal Planning And Preparation, Disabilities, Patient Communication, Basic Patient Care, Mental and Behavioral Health, Family Support, Child Development, Dignity in Care, Patient Safety
Mixed · Course · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Creative Thinking, Research, Research Methodologies, Scientific Methods, Critical Thinking, Innovation
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Literacy, English Language, Language Learning, Vocabulary, Grammar, Student-Centred Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Linear Algebra, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives, Graphing
Mixed · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Community Development, Ethical Standards And Conduct, Strategic Leadership, Complex Problem Solving, Adaptability, Systems Thinking, Leadership, Business Risk Management, Self-Awareness, Emotional Intelligence
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Vital Signs, Emergency Medical Services, Patient Evaluation, Medical History Documentation, Patient Communication, Medical Terminology, Health Assessment, Basic Patient Care, Clinical Assessment, Emergency Medicine, Patient Positioning, Occupational Health, Anatomy, Health Systems, Technical Communication, Personal protective equipment, Stress Management
Beginner · Course · 1 - 3 Months