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.

ESSEC Business School
Skills you'll gain: Negotiation, Active Listening, Communication, Conflict Management, Interpersonal Communications, Strategic Partnership, Relationship Building, Leadership, Value Propositions, Stakeholder Management, Decision Making, Organizational Skills
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Proposal Writing, Business Correspondence, Business Writing, Taking Meeting Minutes, English Language, Language Competency, Meeting Facilitation, Business Communication, Setting Appointments, Telephone Skills, Business Reporting, Verbal Communication Skills, Writing, Vocabulary
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Immunology, Oncology, Cell Biology, Biology, Pathology, Molecular Biology, Laboratory Research
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Supervised Learning, Dimensionality Reduction, Data Visualization, Data Integration, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Technical Communication, Data Analysis, Plot (Graphics), Applied Machine Learning, Data Visualization Software, Matlab, Regression Analysis, Data Science
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Sales Presentation, Interviewing Skills, Oral Expression, English Language, Business Communication, Presentations, Business Correspondence, Verbal Communication Skills, Business Writing, Grammar, Persuasive Communication, Public Speaking, Target Audience, Vocabulary, Professionalism, Communication Strategies
Mixed · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Logistic Regression, R Programming
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Problem Solving, Logical Reasoning, Deductive Reasoning, Analytical Skills, Critical Thinking, Complex Problem Solving, Applied Mathematics, Arithmetic, Computational Logic, Strategic Thinking, Decision Making, Geometry
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Setting Appointments, Google Workspace, Google Sheets, Software Installation
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: SQL, Database Systems, Database Theory, Database Management, Query Languages, Database Design, Relational Databases, Database Administration, Database Application, Data Access, Data Science, Data Analysis, Data Manipulation, Data Modeling, Data Integrity
Build toward a degree
Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Health Disparities, Motivational Interviewing, Health Equity, Substance Abuse, Patient-centered Care, Medication Therapy Management, Mental and Behavioral Health, Social Determinants Of Health, Patient Education And Counseling, Psychiatry, Psychotherapy, Treatment Planning, Health Policy, Care Coordination, Clinical Assessment
Beginner · Course · 1 - 3 Months
Curtis Institute of Music
Skills you'll gain: Classical Music, Music, Music Theory, Music History, Music Performance
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Computational Thinking, Algorithms, Program Development, Pseudocode, Problem Solving, Python Programming, Data Structures, Computer Hardware, Computer Programming, Object Oriented Programming (OOP), Analysis, Debugging
Beginner · Course · 1 - 4 Weeks