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 Michigan
Skills you'll gain: Stored Procedure, NoSQL, Database Design, Database Architecture and Administration, SQL, Relational Databases, Cloud Applications, PostgreSQL, Database Management Systems, Data Store, Databases, Database Theory, Data Modeling, JSON, Database Management, Query Languages, Cloud Deployment, Text Mining, Database Systems, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Star Schema, Data Modeling, Data Quality, Data Pipelines, Database Design, Data Mart, Data Validation, Extract, Transform, Load, Data Analysis, Data Warehousing, Data Transformation, Data Management, Version Control
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: NumPy, Data Transformation, Data Manipulation, Data Cleansing, Jupyter, Data Processing, Data Analysis, Data Science, Data Import/Export, Python Programming, Virtual Machines, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

GitLab
Skills you'll gain: Telecommuting, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Performance Metric, Leadership and Management, Organizational Change, Organizational Strategy, Business Transformation, Organizational Leadership, Team Building, Performance Management, Adaptability, Collaboration, Business Strategy, Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Services, Virtualization, Cloud Computing, Virtual Machines, Cloud Storage, Cloud Infrastructure, Public Cloud, Virtual Networking, Scalability
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Model Evaluation, Data Preprocessing, MLOps (Machine Learning Operations), Classification Algorithms, Applied Machine Learning, Maintainability, Machine Learning Algorithms, Java, Software Architecture, Software Design Patterns, Logistic Regression, Business Metrics, Benchmarking, Decision Tree Learning, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months

Niel Asher Education
Skills you'll gain: Manual Therapy, Patient Evaluation, Patient Positioning, Exercise Therapy, Physical Therapy, Clinical Assessment, Neurology, Rehabilitation, Patient Communication, Mindfulness, Patient Treatment, Pain Management, Self-Awareness, Cognitive Behavioral Therapy, Exercise Science, Occupational Therapy, Intravenous Therapy, Family Therapy, Mental Health Therapies, Mental Health
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Style Guides, Brand Management, Version Control, Workflow Management, Compliance Auditing, Marketing Analytics, Branding, Marketing Design, Document Management, Quality Assurance, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Billing Systems, Registration, Invoicing, Restaurant Management, Microsoft Visual Studio, Security Testing, Point of Sale, Order Management, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Marketing Automation, Marketing Strategies, Customer Analysis, Marketing Analytics, Lead Generation, Data-Driven Decision-Making, Customer Insights, Marketing, Data Storytelling, Strategic Marketing, Business Analytics, Business Metrics, AI Personalization, Data Analysis, Analytics, Advanced Analytics, Financial Forecasting, Automation, Revenue Forecasting
Beginner · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Case Studies, Network Analysis, Mathematical Modeling, Simulations, Systems Engineering, Social Sciences, Applied Mathematics, Sustainable Systems, Policy Analysis, Forecasting, Critical Thinking, Jupyter
Beginner · Course · 1 - 3 Months