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.

Interactive Brokers
Skills you'll gain: Business Economics, Economics, Economic Development, Gross Profit, Fiscal Management, Financial Policy, Corporate Finance, Financial Statements, Financial Market, Supply And Demand, Banking, Market Dynamics, Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Management Framework, Infrastructure Security, Safety Assurance, Threat Modeling, Information Systems Security, Security Controls, Security Engineering, Security Requirements Analysis, Safety Standards, Safety and Security, Cybersecurity, Cyber Security Strategy, Continuous Monitoring, Cyber Risk, Hardening, Vulnerability Assessments, Cyber Security Policies, Cyber Security Assessment, Industrial Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Object Oriented Design, Application Development, Data Structures, Linux
Intermediate · Guided Project · Less Than 2 Hours

University of Washington
Skills you'll gain: Presentations, Public Speaking, Verbal Communication Skills, Infographics, Peer Review, Communication, Storytelling, Constructive Feedback, Communication Strategies, Concision, Diagram Design, Trustworthiness, Planning, Organizational Skills
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Office, Document Management, Business Writing, Visualization (Computer Graphics), Data Management, Business Communication, Business Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Flutter (Software), Gemini, Generative AI Agents, LLM Application, Generative AI, Mobile Development, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Relational Databases, Databases, Database Architecture and Administration, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Build toward a degree
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: GitHub, Git (Version Control System), Version Control, Collaborative Software, Software Versioning, Software Development Tools
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Socioeconomics, Epidemiology, Crisis Management, Health Technology, Health Policy, Social Sciences, Infectious Diseases, Social Work, Public Health, Telehealth, Mental Health, Health Informatics, Surveys, Data-Driven Decision-Making, Data Science, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, AWS Identity and Access Management (IAM), Dashboard, Amazon Web Services, Interactive Data Visualization, Data Visualization Software, Amazon Redshift, Big Data, Cloud Security, Security Controls, Encryption, Applied Machine Learning, Amazon Elastic Compute Cloud, Amazon S3, Key Management
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Natural Language Processing, LLM Application, Generative AI, Text Mining, Performance Tuning, Cloud API, Application Development, Application Programming Interface (API), Artificial Intelligence, Systems Integration, Responsible AI, Data Ethics, Internet Of Things, Analysis, Big Data, Analytics, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Distributed Denial-Of-Service (DDoS) Attacks, Infrastructure Security, Cloud Security, Network Security, Application Security, Firewall, Amazon Elastic Compute Cloud, Endpoint Security, Data Security, Vulnerability Management, Threat Detection, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks