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.

Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Safety Culture, Drive Engagement, Team Management, Team Leadership, Team Building, Diversity and Inclusion, Business Ethics, Team Motivation, Teamwork, Diversity Equity and Inclusion Initiatives, Employee Engagement, Creativity, Ethical Standards And Conduct, Innovation, Motivational Skills, Problem Solving, Adaptability, Culture, Leadership Development, Stress Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transact-SQL, Server Administration, Relational Databases, Database Management Systems
Intermediate · Course · 1 - 3 Months

SAE Institute México
Skills you'll gain: Penetration Testing, Metasploit, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Cyber Security Assessment, Virtual Environment, Network Analysis, Command-Line Interface, Virtual Machines, Linux Commands
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Evaluation, Predictive Modeling, Regression Analysis, Advanced Analytics, Statistical Modeling, Classification Algorithms, Predictive Analytics, Logistic Regression, Data Analysis, Applied Machine Learning, Data-Driven Decision-Making, Business Analysis, Machine Learning Methods, Performance Metric
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Power, Power Electronics, Electrical Systems, Torque (Physics), Electronic Components, Electric Power Systems, Electrical Equipment, Basic Electrical Systems, Semiconductors, Electrical Engineering, Mechanical Engineering, Mechanical Design, Electronic Systems, Engineering Calculations, Low Voltage, Electronics, High Voltage, Machine Controls, Energy and Utilities, Thermal Management
Beginner · Specialization · 1 - 3 Months
Coursera
Skills you'll gain: Machine Controls, Robotic Process Automation, Product Automation, Manufacturing Operations, Integration Testing, Workflow Management, Coordination, Application Programming Interface (API), Simulation and Simulation Software, Process Optimization, Process Improvement and Optimization
Intermediate · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Materials science, Experimentation, New Product Development, Laboratory Research, Product Development, Sustainable Technologies, Chemical Engineering, Process Development, Chemistry, Prototyping, Mechanical Engineering, Laboratory Techniques
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, Model Context Protocol, ChatGPT, Prompt Patterns, Anthropic Claude, AI Workflows, Prompt Engineering Tools, LLM Application, Generative AI Agents, Multimodal Prompts, Agentic Workflows, AI Orchestration, AI Enablement, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Agentic systems, AI Product Strategy, AI Personalization
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Podcasting, Content Creation, Social Media Strategy, Productivity Software, Content Strategy, Social Media, Content Marketing, Scheduling, Branding, Video Production
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Customer experience improvement, ChatGPT, Data Science, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: Physical Science, Applied Mathematics, Systems Of Measurement, Engineering Calculations, Mechanics, Physics, Engineering Analysis
Intermediate · Course · 1 - 4 Weeks