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.

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Cloud-Native Computing, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Identity and Access Management, Cloud Security, Network Security, Threat Detection, Amazon S3, Infrastructure Security, Data Security, Security Management, Vulnerability Management, Vulnerability Assessments, Key Management, Distributed Denial-Of-Service (DDoS) Attacks, Encryption
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: User Experience Design, Figma (Design Software), Design Thinking, Interaction Design, User Interface (UI) Design, Usability Testing, Prototyping, Wireframing, Software Testing, Information Architecture, White-Box Testing, No-Code Development, Quality Assurance
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Instagram, Drive Engagement, Customer Engagement, Social Media, Social Media Content, Social Media Strategy, Community Development, Content Development and Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic and Visual Design, Animations, Branding, Marketing Design, Social Media Content, Style Guides, Scheduling, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Computer Programming, Programming Principles, Maintainability, Prototyping
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Phlebotomy, Blood Collection, Urinalysis, Patient Education And Counseling, Geriatrics, Electocardiography, Pediatrics, Specimen Collection, Cardiology, Medical Assistance, Patient Preparation, Diagnostic Tests, Basic Patient Care, Patient Communication, Infection Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Income Statement, Business Valuation, Investment Banking, Balance Sheet, Capital Markets, Fundraising, Equities, Underwriting, Financial Modeling, Securities (Finance), Entrepreneurial Finance, Financial Forecasting, Go To Market Strategy, Financial Market, Corporate Finance, Market Dynamics, Market Analysis
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Web Content Accessibility Guidelines, Educational Materials, Multimedia, Instructional Design, Education Software and Technology, Professional Development, Content Creation, Design Strategies, Quality Assurance, Constructive Feedback, Communication
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Media and Communications, Culture, Media Relations, Media Strategy, Video Production, Social Media, Brand Management, Advertising, Event Marketing, Media Production, Branding, Social Media Strategy
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Data Validation, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours