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.

Karlsruhe Institute of Technology
Skills you'll gain: Natural Language Processing, Artificial Neural Networks, Deep Learning, Statistical Machine Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Recurrent Neural Networks (RNNs), Language Interpretation, Translation, and Studies, Embeddings, Multilingualism, Vocabulary
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Accounting Systems, Accounting, Financial Accounting, Financial Statements, Accounting Records, General Accounting, Bookkeeping, Ledgers (Accounting), Standard Accounting Practices, General Ledger, Financial Reporting, Balance Sheet, Income Statement, Business Ethics, Ethical Standards And Conduct, Excel Formulas, Transaction Processing, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Applied Mathematics, Advanced Mathematics, Linear Algebra, Calculus, Engineering Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Entrepreneurial Finance, Sales Presentation, Entrepreneurship, Capital Markets, Finance, Fundraising, Private Equity, Business Valuation, Contract Negotiation, Financial Modeling, Investments, Due Diligence, Business Planning, Cash Flows, Presentations, Storytelling
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Relational Databases, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Diagram Design
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Peer Review, Spanish Language, Oral Expression, Oral Comprehension, Culture, Writing and Editing, Vocabulary, Research
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Interviewing Skills, Recruitment, Oral Expression, Follow Through, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Mobile Development, Swift Programming, Mobile Development Tools, Objective-C (Programming Language), User Interface (UI), Application Development, UI Components, Integrated Development Environments, Development Environment, Storyboarding
Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

SAE Institute México
Skills you'll gain: Instrumental Music, Music, Musical Composition, Editing, Creativity
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Case Law, Case Studies, Law, Regulation, and Compliance, Creativity, Commercial Laws
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Integration, Data Dictionary, Data Validation, Health Informatics, Data Cleansing, Data Modeling, Extract, Transform, Load, Data Synthesis, Health Systems, Fraud detection, Data Management, Metadata Management, Health Care, Analytics, Clinical Data Management, Data Mapping, Healthcare Industry Knowledge, Value-Based Care
Intermediate · Specialization · 3 - 6 Months