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.

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Enterprise Security, Identity and Access Management, Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Data Sharing, Responsive Web Design, User Accounts, Customer Relationship Management (CRM) Software, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Operating System Administration, Linux, Unix, Systems Administration, Linux Servers, System Monitoring, Linux Commands, User Accounts, OS Process Management, Operating Systems, Unix Commands, Unix Shell, Performance Tuning, System Configuration, User Provisioning, Authorization (Computing), Identity and Access Management, Hardening, Process Management
Intermediate · Course · 1 - 4 Weeks

University of Florida
Skills you'll gain: Land Management, Sustainable Development, Sustainable Systems, Water Resource Management, Water Resources, Environment and Resource Management, Environment, Environmental Science, Natural Resource Management, Environmental Issue, Biology
★ 4.8 (45) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Social Justice, Environmental Issue, Health Equity, Environmental Science, Health Disparities, Environmental Policy, Social Determinants Of Health, Environment Health And Safety, Risk Management, Mitigation, Risk Analysis, Public Health, Health Assessment, Policy Development, Vulnerability
★ 4.9 (24) · Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Data-Driven Decision-Making, Strategic Sourcing, Operations, Operational Analysis, Organizational Strategy, Operations Management, Procurement, Business Operations, Capacity Planning, Supply Chain, Competitive Analysis, Asset Management, Supply Management, Strategic Decision-Making, Business Strategy, Business Metrics, Supplier Relationship Management, Investment Management, Capacity Management, Planning
★ 4.6 (264) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Project, Project Schedules, Resource Allocation, Resource Planning, Resource Management, Project Management Software, Resource Utilization, Project Performance, Scheduling, Calendar Management, Project Coordination, Project Controls, Project Management, Microsoft 365, Timelines, Management Reporting, Milestones (Project Management), Project Planning, Workflow Management, Work Breakdown Structure
Intermediate · Course · 3 - 6 Months

Beginner · Course · 1 - 3 Months

Skills you'll gain: Cinematography, Videography, Photography, Video Production, Photo/Video Production and Technology, Video Editing, Post-Production, Peer Review, Visual Storytelling
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Relationship Building, Self-Awareness, Personal Development, Finance, Financial Planning, General Finance, Empowerment, Behavioral Economics, Consumer Behaviour, Economics, Goal Setting, Decision Making
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Environmental Engineering and Restoration, Hydrology, Environmental Engineering, Water Resources, Environmental Science, Mathematical Modeling, Analytical Chemistry, Molecular, Cellular, and Microbiology, Microbiology, Chemistry
★ 4.8 (511) · Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Software Visualization, Exploitation techniques, Cryptography, Cryptographic Protocols, Blockchain, Public Key Cryptography Standards (PKCS), Data Validation
★ 4.6 (94) · Intermediate · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Wireless Networks, General Networking, Emerging Technologies, Embedded Software, Embedded Systems, Information Technology Architecture, Programming Principles, Electronic Components, Computer Hardware, Computing Platforms, Development Environment, Problem Solving
★ 4.6 (1.8K) · Beginner · Course · 1 - 3 Months