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.

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), Cloud-Native Computing, Application Deployment, Restful API, Software Installation, Verification And Validation, Configuration Management, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, SQL, Linux Administration, System Monitoring, Linux, Database Management, Linux Commands, Database Architecture and Administration, Maintainability, Performance Testing, Data Storage Technologies, Scenario Testing, OS Process Management, Data Storage, Simulations
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Teradata SQL, Stored Procedure, Performance Tuning, Database Management, Extract, Transform, Load, Solution Design, Data Import/Export, Database Design, System Implementation, Data Manipulation, Data Processing, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Cost Accounting, Cost Control, Financial Accounting, Accounting, Business Metrics, Operational Analysis, Product Management, Operational Efficiency, Profit and Loss (P&L) Management, Strategic Decision-Making, Operations, Decision Making, Financial Analysis, Cost Management, Analysis, Sales
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Git (Version Control System), DevOps, Version Control, Software Development, Development Environment, Software Development Tools, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Integration, Excel Formulas, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Patterns, Microsoft Copilot, ChatGPT, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Azure Active Directory, Secure Coding, Authorization (Computing), Debugging, Authentications
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Statistical Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Data Wrangling, Communication
Beginner · Specialization · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: NumPy, Matplotlib, Linear Algebra, Pandas (Python Package), Data Manipulation, Applied Mathematics, Python Programming, Data Analysis, Data Science, Regression Analysis, Data Visualization Software, Mathematics and Mathematical Modeling, Probability & Statistics, Numerical Analysis, Mathematical Modeling, Machine Learning, Computational Logic, Logical Reasoning
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtualization, Cloud Computing, Virtual Machines, Cloud Services, Computer Hardware, Mobile Security, Operating Systems, Computer Displays, Containerization, Wireless Networks, Android (Operating System), Apple iOS
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Infectious Diseases, Infection Control, Epidemiology, Public Health and Disease Prevention, Preventative Care, Public Health, Hand Hygiene, Personal protective equipment, Diagnostic Tests, Hospital Medicine, Intensive Care Medicine, Immunology, Patient Treatment, Patient Evaluation, Microbiology, Diagnostic Radiology
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Development, Mobile Development, Software Design, User Interface (UI) Design, Java Programming, Data Sharing, Database Management, Service Management
Beginner · Course · 1 - 4 Weeks