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 Maryland, College Park
Skills you'll gain: Statistical Analysis, Data Analysis Software, STATA (Software), Data Integration, Data Ethics, Stata, R Programming, Sampling (Statistics), Statistical Modeling, Descriptive Statistics, Regression Analysis, Logistic Regression, Informed Consent
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Microservices, ASP.NET, Software Architecture, .NET Framework, Microsoft Visual Studio, Cloud-Native Computing, Restful API, C# (Programming Language), Software Development, Software Design Patterns, Scalability, GitHub
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Import/Export, Statistical Analysis, Data Analysis, Statistical Programming, Data Manipulation, Data Processing, Data Access, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HVAC, Building Services Engineering, Equipment Design, Thermal Management, Mechanical Engineering, Plumbing, Facility Repair And Maintenance, Mechanical Design, Control Systems, Energy and Utilities, Safety Standards, Engineering Calculations, Materials science
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Threat Modeling, Network Security, Cybersecurity, Cloud Security, Malware Protection, Cyber Attacks, Threat Detection, Hardening, Information Systems Security, Intrusion Detection and Prevention, Disaster Recovery, Remote Access Systems, Systems Architecture, Data Security, Encryption
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, Unix Commands, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Shell Script, System Configuration, Collaborative Software, Scripting, Software Development Tools, Software Versioning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Applied Mathematics, Mathematical Modeling, Matlab, High Voltage, Three-Phase, Electrical Engineering, electromagnetics, Simulation and Simulation Software, Electric Power Systems, Electrical Power, Environmental Science, Environmental Engineering, Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Collection, Data Wrangling, Data Manipulation, SQL, MySQL, Databases, Query Languages, Pandas (Python Package), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Risk, Return On Investment, Economics
Beginner · Course · 1 - 4 Weeks

University of Florida
Skills you'll gain: Land Management, Environment and Resource Management, Climate Change Mitigation, Climate Change Adaptation, Natural Resource Management, Water Resource Management, Environmental Science, Sustainable Development, Spatial Analysis, Research Methodologies, Biology
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, Public Policies, World History, Policy Analysis, Case Studies, Governance, Security Strategy, Economic Development, Natural Resource Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Large Language Modeling, OpenAI, AI Workflows, Prompt Engineering, Document Management, Vector Databases, Software Installation
Intermediate · Course · 1 - 3 Months