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.

Yonsei University
Skills you'll gain: Apache Spark, Augmented Reality, Cloud Computing Architecture, Big Data, Wireless Networks, SPSS, Augmented and Virtual Reality (AR/VR), Cloud Computing, Internet Of Things, Analytics, Real Time Data, Apache Hadoop, Telecommunications, Local Area Networks, Multimedia, Emerging Technologies, Apple iOS, Market Analysis, Display Devices, Product Planning
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Eclipse (Software), Java, Java Programming, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Program Development, Electronic Systems, System Design and Implementation, Eclipse (Software), Embedded Software, Embedded Systems, Development Environment, Software Development, Integrated Development Environments, Software Development Tools, Engineering Documentation, Build Tools, Laboratory Experience, Laboratory Reports, Laboratory Testing
Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Endocrinology, Physiology, Preventative Care, Drug Development, Pharmacology, Chronic Diseases, Epidemiology, Immunology, Medical Science and Research, Patient Treatment, Pharmaceuticals, Public Health and Disease Prevention, Exercise Science, Clinical Nutrition, Public Health, Biology, Nutrition and Diet, Molecular Biology
Mixed · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Language Learning, Vocabulary, Grammar, Language Competency, Oral Comprehension
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Attacks, Data Security, Computer Security Awareness Training, Threat Modeling, Security Awareness, Cyber Threat Intelligence, Threat Management, Network Security, Information Privacy, Malware Protection, Incident Response, Mitigation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Supply Chain Planning, Demand Planning, Customer Demand Planning, Inventory Control, Inventory Management, Supply Chain Management, Supply Chain, Inventory Accounting, Capacity Planning, Production Planning, Materials Management, Inventory Management System, Process Optimization, Forecasting, Operations Management, Operations Research, Resource Allocation, Capacity Management, Microsoft Excel, Performance Measurement
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Systems Administration, Operating System Administration, Information Systems Security, Remote Access Systems, IT Infrastructure, Network Troubleshooting, OSI Models, Computer Networking, Routing Protocols, Desktop Support, Application Security, TCP/IP, Security Strategy, Server Administration, Security Awareness, Technical Support, Microsoft Windows, Computer Hardware, Software Installation, Help Desk Support
Beginner · Professional Certificate · 3 - 6 Months

University of New Mexico
Skills you'll gain: Social Sciences, International Relations, Political Sciences, Economic Development, Global Marketing, Socioeconomics, Cultural Diversity, World History, Business Economics, Economics, Business, Financial Market
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Algorithms, Data Structures, Text Mining, Theoretical Computer Science, Computational Thinking
Intermediate · Course · 1 - 4 Weeks
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronic Components, Display Devices, Electronic Systems, Electronics, Electronics Engineering, Data Storage
Intermediate · Course · 1 - 3 Months