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.

Rice University
Skills you'll gain: Cultural Sensitivity, International Relations, Social Studies, Cultural Diversity, World History, Diversity Awareness, Political Sciences, Economics, Sociology
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Environmental Issue, Physical Science, Climate Change Adaptation, Environment, Climate Change Mitigation, Geographic Information Systems, Environmental Science, Physics, Simulation and Simulation Software, Experimentation, Mathematical Modeling, Scientific Visualization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Application Deployment, Performance Tuning, Data Visualization Software, Web Applications, Application Development, R Programming, Dashboard, Exploratory Data Analysis, User Interface (UI), User Interface (UI) Design, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cross-Functional Team Leadership, Executive Presence, Matrix Management, Team Performance Management, Cross-Functional Collaboration, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Crisis Management, Team Building, Project Management, Leadership, Employee Coaching, Influencing, Leadership Development, Team Management, Stakeholder Management, Organizational Development, Strategic Communication, Change Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Animation and Game Design, Android (Operating System), Unity Engine, Video Game Development, Mobile Development, C# (Programming Language), Game Design, Scripting, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Social Media Strategy, AI Personalization, Real Time Data, Marketing Analytics, Customer Insights, AI Enablement, Target Audience, Marketing Strategies, Driving engagement, Marketing Automation, A/B Testing, Content Creation, Persona Development, Generative AI, Brand Strategy, Data-Driven Decision-Making, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Timelines, Project Portfolio Management, Project Coordination, Resource Allocation, Resource Management, Project Management, Resource Utilization, Dependency Analysis, Scheduling, Operational Efficiency, Process Improvement, Portfolio Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Orchestration, AI Workflows, LangChain, Agentic systems, System Monitoring, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Tool Calling, Agentic Workflows, Compliance Management, Governance, AI Security, Continuous Monitoring, Artificial Intelligence, Enterprise Application Management
Intermediate · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Environmental Science, Environment, Biology, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Anthropology, World History, Ethical Standards And Conduct, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Databases, Query Languages, Database Management
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Hydraulics, Manufacturing Operations, Chemical Engineering, Production Process, Process Engineering, Control Systems, Manufacturing Standards, Automation, Mechanical Engineering, Internet Of Things, Materials science, Quality Assurance, Safety Standards, Petroleum Industry, Engineering Practices, Technical Standard, Maintenance, Repair, and Facility Services, Thermal Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Performance Tuning, Data Warehousing, Apache Spark, Data Architecture, SQL, Query Languages, Data Transformation, Disaster Recovery, Database Management, PySpark, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months