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: Generative AI Agents, OpenAI API, Command-Line Interface, AI Enablement, Agentic systems, API Testing, Rust (Programming Language), Key Management, Software Technical Review, Verification And Validation, Unit Testing, Solution Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Personally Identifiable Information, Data Integrity, R Programming, Exploratory Data Analysis, Information Privacy, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, API Testing, Test Case, Test Automation, Acceptance Testing, Regression Testing, Testability, Integration Testing, .NET Framework, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Natural Language Processing, Large Language Modeling, Transfer Learning, Generative Model Architectures, Text Mining
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Authorization (Computing), Identity and Access Management, User Accounts, Role-Based Access Control (RBAC), Multi-Factor Authentication, Group Policy, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Application Development, Web Applications, Javascript
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Computer Programming, Unit Testing, Program Development, Software Design, Test Driven Development (TDD), Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Integrated Development Environments, System Programming, Algorithms
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Writing, Literacy, Grammar, English Language, Language Learning, Vocabulary
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Generative AI, AI Enablement, Automation, Human Resources, Workforce Management, Artificial Intelligence, Responsible AI, Workforce Planning, Socioeconomics, digital literacy, Data Ethics, Leadership and Management, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Cloud Security, Cybersecurity, Real-Time Operating Systems, Internet Of Things, Security Information and Event Management (SIEM), Infrastructure Security, Network Security
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Management, Event Monitoring, System Monitoring, Application Performance Management, Cloud Storage, Data Management
Beginner · Project · Less Than 2 Hours