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.

Coursera
Skills you'll gain: Statistical Hypothesis Testing, Data-Driven Decision-Making, LLM Application, Performance Metric, Statistical Analysis, Test Script Development, Large Language Modeling, Business Metrics, Model Evaluation, Prompt Engineering, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: World Music, Music History, Music, Musical Composition, Music Theory, Aesthetics, Instrumental Music, Multimedia, Public Affairs, Performing Arts, Interactive Learning, Music Performance, Electronic Media, Experimentation, Creativity, Media and Communications, Cultural Diversity, Research
Beginner · Course · 1 - 3 Months

GitLab
Skills you'll gain: Telecommuting, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Performance Metric, Leadership and Management, Organizational Change, Organizational Strategy, Business Transformation, Organizational Leadership, Team Building, Performance Management, Adaptability, Collaboration, Business Strategy, Communication
Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Software Design Patterns, Object Oriented Programming (OOP), Java, Maintainability, Application Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Google Cloud Platform, Generative AI, Model Deployment, Cloud Management, Kubernetes, Large Language Modeling, CI/CD, Cloud Deployment, Machine Learning Methods, Continuous Deployment, Tensorflow, Model Evaluation, Apache Airflow, AI Workflows, Continuous Integration, Feature Engineering, Containerization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Automation, Email Automation, Scheduling, Management Reporting, Performance Reporting, Automation, Stakeholder Communications, Report Writing, Scalability, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unity Engine, Video Game Development, Game Design, 3D Modeling, Virtual Environment, Integration Testing, Computer Graphics, Scripting
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Pandas (Python Package), Matplotlib, Seaborn, Data Visualization, Data Visualization Software, Time Series Analysis and Forecasting, Statistical Visualization, Box Plots, Statistical Analysis, Exploratory Data Analysis, Data Analysis, Data Manipulation, Scatter Plots, Histogram, Data Structures, Python Programming
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Business Development, B2B Sales, Strategic Partnership, Negotiation, Proposal Writing, Price Negotiation, Contract Negotiation, New Business Development, Consultative Selling, Selling Techniques, Inside Sales, Phone Sales, Sales Development, Sales, Non-Verbal Communication, Marketing Psychology, Search Engine Optimization, Sales Prospecting, Relationship Building, Telephone Skills
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Data Loss Prevention, Mobile Security, DevSecOps, MLOps (Machine Learning Operations), Vulnerability Scanning, Incident Response, LLM Application, Security Engineering, Anomaly Detection, Application Security, Responsible AI, Security Controls, Data Security, CI/CD, Infrastructure Security, Continuous Monitoring, Penetration Testing, Process Optimization, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Database Management, Serverless Computing, Amazon Web Services, AWS CloudFormation, Cloud Engineering, Identity and Access Management, Scalability, Cloud Computing Architecture, User Accounts, Cloud Storage, Cloud Computing, Cloud Deployment, Data Storage Technologies, Data Storage, Infrastructure as Code (IaC)
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sustainable Development, Water Sustainability, Nutrition and Diet, Food and Beverage, Public Health, Sustainability Standards, Health Disparities, Environmental Science, Systems Thinking, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks