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.

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Thinking, Systems Design, System Design and Implementation, Systems Analysis, Model Evaluation, Software Design, Computer Architecture, Program Development, Software Quality (SQA/SQC), Logical Reasoning
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Economics, Statistical Inference, Probability Distribution, Logistic Regression, Model Evaluation
Build toward a degree
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Performance Measurement, Team Performance Management, Performance Metric, Performance Management, Goal Setting, Smart Goals, Employee Performance Management, Key Performance Indicators (KPIs), Performance Analysis, Performance Reporting, Performance Improvement, Organizational Effectiveness, Productivity, Business Priorities, Organizational Strategy, Analysis
Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Database Management Systems, Big Data, Apache Hadoop, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Open Web Application Security Project (OWASP), Security Information and Event Management (SIEM), Incident Response, Identity and Access Management, Cybersecurity, Network Security, Authentications, Application Security, Authorization (Computing), Role-Based Access Control (RBAC), DevSecOps, Vulnerability Assessments, Infrastructure Security, Vulnerability Management, Security Strategy, Security Controls, Penetration Testing, Firewall, Zero Trust Network Access
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Ubuntu, Operating System Administration, Red Hat Enterprise Linux, Unix, User Accounts, Linux Commands, System Configuration, Hardening, Security Controls, Authorization (Computing), Network Administration, Authentications
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, C# (Programming Language), Video Game Development, Data Management, Data Structures, Application Development, Program Development, Object Oriented Programming (OOP), Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, API Design, Restful API, Development Testing, User Interface (UI), Debugging, Unit Testing, Systems Architecture, Front-End Web Development, Integration Testing, Authentications
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Machine Learning Algorithms, Big Data, Product Development, Data Preprocessing, Analytics, File Systems, New Product Development, Data Analysis, Machine Learning, Internet Of Things, Supervised Learning, Product Planning, Unsupervised Learning, Data Storage, Project Planning, Systems Of Measurement, Staff Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Integral Calculus, Calculus, Advanced Mathematics, Materials science, Applied Mathematics, Engineering Analysis, Mathematical Modeling, Differential Equations, Derivatives
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: User Accounts, No-Code Development, Application Design, Data Structures, User Interface (UI)
Beginner · Course · 1 - 4 Weeks