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.

Rutgers the State University of New Jersey
Skills you'll gain: Cultural Diversity, Cultural Sensitivity, Ancient History, Sociology, Social Sciences, Anthropology, World History, Psychology, Research, Science and Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Restful API, Docker (Software), Containerization, Git (Version Control System), Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, JSON, Object-Relational Mapping, Continuous Deployment, Python Programming, Object Oriented Programming (OOP), Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Cloud Development, Cloud Applications, Continuous Integration, Amazon Web Services, Continuous Deployment, Amazon CloudWatch, Authentications, Development Environment, Single Sign-On (SSO), Devops Tools, AWS Kinesis, OAuth, Identity and Access Management, Scalability
Intermediate · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Data Integrity, Vulnerability Assessments, Law, Regulation, and Compliance, Big Data, Cryptography
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Supervised Learning, Deep Learning, Machine Learning Algorithms, Exploratory Data Analysis, Dimensionality Reduction, Keras (Neural Network Library), Applied Machine Learning, Machine Learning, Scikit Learn (Machine Learning Library), Data Science, Computer Vision, Predictive Modeling, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Random Forest Algorithm, Classification And Regression Tree (CART), Natural Language Processing, Python Programming
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Pain Management, Psychiatry, Clinical Psychology, Mental and Behavioral Health Specialties, Mental Health Diseases and Disorders, Pharmacology, Public Health, Health Policy, Gerontology, Mental Health, Pharmaceuticals, Medical Science and Research, Substance Abuse, Research, Hospice, Medication Administration, Health Care, Clinical Research, Mental and Behavioral Health, Exercise Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Computer Graphics, Animation and Game Design, Image Quality, Performance Tuning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Agile Project Management, Agile Methodology, Risk Management, Stakeholder Management, User Story, Stakeholder Engagement, Leadership, Sprint Planning, Conflict Management, Earned Value Management, Stakeholder Analysis, Communication, Value Engineering, Contract Management, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Calculus, Differential Equations
Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), Data Structures, C and C++, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Object Oriented Design, Computer Programming, Unit Testing, Algorithms, C (Programming Language), Programming Principles, Integrated Development Environments, Graph Theory, Computer Science, File Systems, Artificial Intelligence, Integration Testing, Software Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Malware Protection, Penetration Testing, Exploitation techniques, Threat Detection, Network Security, Information Systems Security, Security Awareness, Human Factors (Security), Lightweight Directory Access Protocols, Network Protocols
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Algorithms, Graph Theory, Computational Thinking, Programming Principles, Pseudocode, Theoretical Computer Science, Data Structures, Computer Programming, Performance Tuning
Mixed · Course · 1 - 3 Months