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: Business Writing, Presentations, Peer Review, Graphic Design, Graphic and Visual Design, Business Correspondence, Public Speaking, Business Communication, Graphic and Visual Design Software, Verbal Communication Skills, Design, Visual Design, Storytelling, Writing, Organizational Skills, Project Design, Concision, Writing and Editing, Layout Design, Proofreading
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storage, OSI Models, General Networking, Wireless Networks, Data Storage Technologies, Local Area Networks, Networking Hardware, Computer Networking, Network Architecture, Network Infrastructure, TCP/IP, Network Protocols, Microsoft Windows, Network Troubleshooting, Network Security, System Configuration, Wide Area Networks, Hardware Architecture, Command-Line Interface
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Team Performance Management, Teamwork, Team Building, Team Management, Virtual Teams, Collaboration, Intercultural Competence, Team Leadership, Conflict Management, Cross-Functional Collaboration, Team Motivation, Productivity, Cultural Diversity, Cultural Sensitivity, Cultural Responsiveness, Meeting Facilitation, Drive Engagement, Safety Culture, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon CloudWatch, Amazon Web Services, System Monitoring, Event Monitoring, Network Monitoring, AWS Identity and Access Management (IAM), Continuous Monitoring, Application Performance Management, Amazon Elastic Compute Cloud, Cloud Computing, Load Balancing
Beginner · Course · 1 - 4 Weeks

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

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronic Systems, Electronic Components, Electronic Hardware, Electronics, Materials science, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Physics, Applied Mathematics, Geometry, Advanced Mathematics, Physical Science, electromagnetics, Mathematical Modeling, Trigonometry, Calculus, Algebra, Linear Algebra, Integral Calculus, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Encryption, OSI Models, Network Architecture, Computer Networking, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security, Software-Defined Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cinematography, Videography, Photography, Video Production, Video Editing, Design Reviews, Post-Production, Peer Review, Creativity
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Mobile Banking, Regulatory Requirements, Fraud detection, Data Security, Cybersecurity, Insurance, Blockchain, Digital Forensics
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Derivatives, Mortgage Loans, Securities (Finance), Credit Risk, Financial Modeling, Risk Modeling, Financial Market, Mathematical Modeling, Securities Trading, Applied Mathematics, Investment Banking, Microsoft Excel, Risk Analysis, Cash Flows, Analysis
Intermediate · Course · 1 - 3 Months

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