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.

Northeastern University
Skills you'll gain: Data Warehousing, Data Modeling, Database Design, SQL, Star Schema, Business Intelligence, Databases, Relational Databases, Database Architecture and Administration, Data Mart, Data Integrity, Data Analysis, Snowflake Schema, Data Transformation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Kubernetes, Development Environment, Spring Boot, CI/CD, DevOps, Microservices, Debugging, MongoDB, Restful API
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Network Security
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Business Ethics, Ethical Standards And Conduct, Human Development, Culture, Anthropology, Artificial Intelligence, Social Sciences, Research, Leadership
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cybersecurity, Anomaly Detection, Cyber Threat Intelligence, Threat Detection, AI Security, Security Awareness, Network Analysis, Generative AI, Prompt Engineering, Email Security, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, C# (Programming Language), Android (Operating System), Mobile Development, Scripting, Video Game Development, Game Design, Animation and Game Design, Application Development, User Interface (UI)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Quality Management, Project Closure, Scope Management, Project Management, Project Planning, Agile Project Management, Quality Assurance, Sprint Retrospectives, Backlogs, Team Leadership, Project Scoping, Project Management Life Cycle, Stakeholder Analysis, Project Controls, Project Implementation, Agile Methodology, Communication Planning, Change Management, Interviewing Skills, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Customer Relationship Management, Six Sigma Methodology, Lean Six Sigma, Continuous Improvement Process, Operational Excellence, Quality Management, Process Improvement, Quality Assurance and Control, Customer experience improvement, Risk Analysis, Production Planning, Culture Transformation, Employee Engagement
Mixed · Course · 1 - 3 Months
Skills you'll gain: Model Evaluation, Project Management Software, Technical Communication, Technical Product Management, Performance Metric, Agile Project Management, Data Analysis, Project Management, Analytics, Stakeholder Communications, Data-Driven Decision-Making, Machine Learning, Large Language Modeling, R Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, Agile Project Management, Stakeholder Engagement, Jira (Software), Sprint Retrospectives, Scrum (Software Development), Sprint Planning, User Story, Backlogs, Kanban Principles, Agile Product Development, Lean Methodologies, Agile Software Development, Agile Methodology, Team Management, Risk Management, Project Management Institute (PMI) Methodology, Prioritization, Azure DevOps, Test Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Big Data, Public Cloud, Cloud Computing, Event Monitoring, Cloud Storage, Data Import/Export, Analytics
Beginner · Project · Less Than 2 Hours

Skills you'll gain: SonarQube, Role-Based Access Control (RBAC), Code Review, Continuous Integration, Software Quality Assurance, Software Technical Review, CI/CD, White-Box Testing, Apache Maven, GitHub, PostgreSQL, Software Engineering, Software Development, Git (Version Control System), Building Codes
Beginner · Course · 1 - 4 Weeks