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.

Johns Hopkins University
Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning Algorithms, Statistical Machine Learning, Feature Engineering, Supervised Learning, Predictive Analytics, Applied Machine Learning, Data Preprocessing, R Programming, Classification Algorithms, Machine Learning, Random Forest Algorithm, Regression Analysis, Exploratory Data Analysis, Data Wrangling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Music Performance, Musical Composition, Music Theory, Instrumental Music, Performing Arts, Music, Electronic Media
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Persistence, Data Structures, Object Oriented Programming (OOP), Unit Testing, Transaction Processing, Database Application, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Access, Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Relational Databases, Database Management Systems, SQL, Database Design, Databases, Database Administration, MySQL, NoSQL, Query Languages
Beginner · Course · 1 - 3 Months

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

HubSpot Academy
Skills you'll gain: Inside Sales, Sales Training, Consultative Selling, Sales, Sales Strategy, Sales Process, Relationship Building, Customer Relationship Building, Customer Analysis, Personalized Service, Communication
Beginner · Course · 1 - 4 Weeks

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 Colorado System
Skills you'll gain: Workplace inclusivity, Diversity and Inclusion, Diversity Awareness, Cultural Diversity, Self-Awareness, Leadership, Interpersonal Communications, Emotional Intelligence, Active Listening, Communication, Empathy & Emotional Intelligence, Constructive Feedback, Culture
Beginner · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Consulting, Management Consulting, Business Consulting, Problem Solving, Analysis, Client Services, Business Analytics, Business Strategies, Decision Making, Change Management, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Pandas (Python Package), AWS SageMaker, NumPy, Microsoft Azure, Hugging Face, Responsible AI, Data Manipulation, Exploratory Data Analysis, Containerization, DevOps, Cloud Computing, Python Programming, Machine Learning, GitHub, Big Data, Data Management, Data Analysis
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Generative AI, Model Evaluation, Flask (Web Framework), Natural Language Processing, Software Development
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Competency
Beginner · Course · 1 - 4 Weeks