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.

Duke University
Skills you'll gain: Climate Change Adaptation, Health Disparities, Health Equity, Environmental Issue, Advocacy, Social Determinants Of Health, Environmental Science, Health Education, Community Health, Resilience, Adaptability, Collaboration, Health Care, Public Health, Health Systems, Climate Change Mitigation, Sustainable Systems, Patient Communication, Healthcare Industry Knowledge, Leadership Development
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Occupational Hygiene, Occupational Safety And Health, Hazard Analysis, Chemical Engineering, Chemistry, Regulatory Compliance, Safety Culture, Safety Training, Compliance Management, Environment Health And Safety, Mitigation, Environmental Regulations, Pollution Prevention, Risk Management, Water Quality, Sustainability Standards, Sustainable Technologies, Quality Assessment, Leadership, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Natural Language Processing, LLM Application, Generative AI, Text Mining, Performance Tuning, Cloud API, Application Development, Application Programming Interface (API), Artificial Intelligence, Systems Integration, Responsible AI, Data Ethics, Internet Of Things, Analysis, Big Data, Analytics, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Apache, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, IntelliJ IDEA, Application Deployment, Enterprise Application Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Infrastructure as Code (IaC), Cloud Management, Amazon Web Services, Cloud Infrastructure, Multi-Tenant Cloud Environments, AWS Identity and Access Management (IAM), Continuous Deployment, GitHub, Configuration Management, Version Control, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intellectual Property, Adobe Express, Adobe Firefly, Entrepreneurship, Business Planning, Marketing Communications, Adobe Creative Cloud, Marketing, Campaign Management, Adobe Acrobat, Creative Problem-Solving, Presentations, Creative Thinking, Creativity, Content Creation, Branding, Social Media, Digital Content, Client Services, A/B Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Restful API, Application Deployment, Generative AI, Java, Development Environment, Image Analysis, Software Development, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Robotics, Artificial Intelligence, Data Manipulation, Simulations, NumPy
Advanced · Guided Project · Less Than 2 Hours

Interactive Brokers
Skills you'll gain: Economics, Supply And Demand, Market Dynamics, Compensation Management, Market Trend, Economic Development, Market Data, Financial Market, Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File Systems, Linux, Linux Commands, File Management, Linux Administration, Operating Systems, Unix, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, Agentic systems, AI Workflows, OpenAI API, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI, Large Language Modeling, AI Enablement, Retrieval-Augmented Generation, Artificial Intelligence, Development Environment, Tool Calling, Microsoft Azure, AI Personalization, Microsoft Development Tools, Microsoft Visual Studio
Intermediate · Specialization · 3 - 6 Months