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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Public Health and Disease Prevention, Trend Analysis, Geographic Information Systems, Data Visualization Software, Chronic Diseases, GIS Software, Health Systems, Health Policy, Infectious Diseases, Health Care, Biostatistics, Risk Analysis, Investigation, Community Health, Data Analysis, Social Determinants Of Health, Statistics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Data Ethics, Data Storytelling, Presentations, Technical Communication, Artificial Intelligence, Stakeholder Communications, Ethical Standards And Conduct, Case Studies, Accountability, Risk Mitigation, Governance, Design, Stakeholder Analysis, Risk Management, Project Documentation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Business Writing, Business Correspondence, Proposal Writing, Proposal Development, Target Audience, Business Communication, Report Writing, Writing, Concision, Persuasive Communication, Communication, Writing and Editing, Tactfulness, Diplomacy, Customer Complaint Resolution, Organizational Skills, Grammar, Communication Strategies, Editing, Proofreading
Mixed · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Music, Digital pedagogy, Musical Composition, World Music, Classical Music, Education Software and Technology, Instrumental Music, Formal Learning, Creativity, Childhood Education and Development, Electronic Media
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Security, Incident Response, Intrusion Detection and Prevention, Network Security, Cybersecurity, Cyber Security Strategy, Cyber Attacks, Data Security, Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management, Vulnerability Assessments, Multi-Factor Authentication, System Configuration, Scripting, Linux Commands, Bash (Scripting Language), Linux, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Demand Planning, Strategic Sourcing, Competitive Intelligence, Competitive Analysis, Procurement, Inventory Control, Supplier Management, Supply Chain, Data Storytelling, Supplier Performance Management, Data Presentation, Data Visualization, Data Collection, Supply Chain Management, Supply Management, Market Analysis, Forecasting, Business Intelligence, Materials Management, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Accounts Payable and Receivable, Accounting and Finance Software, Financial Data, Make.com, Financial Forecasting, Financial Management, Credit Risk, Generative AI, Financial Controls, Financial Analysis, Finance, Billing & Invoicing, Financial Auditing, Artificial Intelligence, ChatGPT, Accounting, Tax Compliance, Tax Management, Automation, No-Code Development
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: ChatGPT, Market Research, Presentations, Business Correspondence, Risk Analysis, Business Writing, Productivity, Taking Meeting Minutes, Technical Writing, Content Creation, Administrative Support, Time Management, Organizational Skills, Excel Formulas
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Music Theory, Music, Post-Production, Media Production, Musical Composition, Music History, Digital Publishing, Software Installation, Creativity, Editing
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Matlab, Statistical Modeling, Simulations, Estimation, Advanced Mathematics, Mathematical Modeling, Statistical Analysis, Time Series Analysis and Forecasting, Probability & Statistics, Control Systems, Forecasting, Applied Mathematics, Statistical Methods, Predictive Analytics, Engineering Analysis, Mathematical Software, Simulation and Simulation Software
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Team Management, Delegation Skills, Team Performance Management, Team Building, Management Training And Development, Team Motivation, Team Leadership, Trustworthiness, Drive Engagement, Virtual Teams, Organizational Leadership, Performance Management, Employee Coaching, Goal Setting, Coaching
Intermediate · Course · 1 - 4 Weeks