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.

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

University of Geneva
Skills you'll gain: International Relations, Leadership and Management, Strategic Partnership, Marketing, Fundraising, Leadership, Governance, Public Policies, Business, Organizational Strategy, Organizational Structure, Diplomacy, World History
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Systems, Electrical Power, Torque (Physics), Electronic Components, Electric Power Systems, Basic Electrical Systems, Electrical Engineering, Control Systems, Low Voltage, High Voltage, Machine Controls, Semiconductors, Thermal Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Water Sustainability, Water Resource Management, Environmental Engineering, Water Quality, Civil Engineering, Sustainable Engineering, Energy and Utilities, Sustainable Technologies, Climate Change Adaptation, Environment and Resource Management, Biotechnology
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Electrical Systems, Differential Equations, Electronic Components, Advanced Mathematics, Physics, Engineering Analysis
Advanced · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Music, Music Theory, Performance Tuning, Data Import/Export, Programming Principles, Interoperability, Development Environment, File I/O
Intermediate · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Manufacturing Processes, Mechanical Design, Robotics, Engineering Drawings, Manufacturing Operations, Visualization (Computer Graphics), Prototyping, Industrial Design, Product Engineering, Production Process, Process Development, Simulation and Simulation Software, Materials science, Automation, Process Engineering, Industrial Engineering
Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Cinematography, Videography, Video Production, Photo/Video Production and Technology, Photography, Post-Production, Storyboarding, Storytelling, Creativity, Podcasting, Content Creation, Image Quality, Music
Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Electronic Systems, Electronics, Electronic Components, Basic Electrical Systems, Engineering Design Process, Schematic Diagrams, Performance Testing, System Design and Implementation, Engineering Analysis, Mathematical Modeling, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Mechanics, Mechanical Engineering, Engineering Analysis, Physics, Engineering Calculations, Differential Equations, Integral Calculus, Calculus
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Restful API, Shell Script, Git (Version Control System), GitHub, Flask (Web Framework), Software Design, Version Control, File Management, Application Deployment, Linux, Software Development Methodologies, Software Design Patterns, Data Import/Export, Programming Principles, Web Scraping, Python Programming
Beginner · Specialization · 3 - 6 Months