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: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Prompt Engineering, Generative AI, Sales Training, Technical Sales, AI Enablement, Sales Process, Artificial Intelligence, LLM Application, Ideation, Automation, Digital Transformation, Innovation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Data Analysis Expressions (DAX), Ad Hoc Analysis, Data Analysis, Exploratory Data Analysis, Data Visualization Software
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Redis, Microservices, Restful API, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Scalability, Maintainability, Database Design, Software Architecture, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Malware Protection, Penetration Testing, Exploitation techniques, Threat Detection, Threat Management, Brute-force attacks, Network Security, Information Systems Security, Security Awareness, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Hardware Troubleshooting, Data Storage Technologies, System Configuration, Computer Architecture, Peripheral Devices, Computer Displays
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Software Architecture, Java, Software Design, Object Oriented Programming (OOP), Data-Driven Decision-Making, Business Modeling, Test Data, User Interface (UI) Design, Application Development, Computer Programming, Artificial Intelligence, Data Structures
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Cyber Security Assessment, Public Key Infrastructure, Cybersecurity, Threat Modeling, Cryptography, Exploitation techniques, Security Testing, Vulnerability Scanning, Encryption, Technical Writing, Human Factors (Security)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, Application Design, Tool Calling, Large Language Modeling, Context Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: AI Workflows, Copywriting, Education Software and Technology, Motion Graphics, Blogs, AI Product Strategy, Graphic and Visual Design, Scripting, Color Theory, Target Audience, Creativity, Writing and Editing, Social Media Content, Typography, Marketing, Business Research
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Classification Algorithms, Reinforcement Learning, Applied Machine Learning, Artificial Intelligence, Dimensionality Reduction, Statistical Analysis, Supervised Learning, Unsupervised Learning, Random Forest Algorithm, Feature Engineering, Logistic Regression, Data Manipulation
Intermediate · Course · 3 - 6 Months