Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

DeepLearning.AI
Skills you'll gain: Fine-tuning, Large Language Modeling, Model Training, Prompt Engineering, Retrieval-Augmented Generation, Model Optimization, Transfer Learning, Data Preprocessing
★ 4.6 (628) · Intermediate · Project · Less Than 2 Hours

Clemson University
Skills you'll gain: Database Systems, Database Management, Database Design, Database Management Systems, MySQL, Database Theory, Relational Databases, Data Modeling, Database Development, SQL, NoSQL, Query Languages, Diagram Design, Dependency Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphics Software, Graphic Design, Graphical Tools, Graphic and Visual Design Software, Graphic and Visual Design, 3D Modeling, Web Presence
★ 4.4 (139) · Beginner · Guided Project · Less Than 2 Hours

University of Alberta
Skills you'll gain: Computational Thinking, Video Game Development, Game Design, Software Quality (SQA/SQC), Problem Solving, Programming Principles, Computer Programming, Program Development, Algorithms, Python Programming, Computer Science, Debugging, Test Planning, Functional Testing, Other Programming Languages
★ 4.3 (238) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, Data Processing, Debugging, Web Scraping, File I/O, Data Store, Data Visualization, Database Software, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Data Presentation, Data Structures, Programming Principles, Python Programming, Program Development
★ 4.8 (281K) · Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Data Structures, Financial Policy, Financial Regulation, Market Dynamics
★ 4.6 (3.1K) · Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Responsible AI, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Governance, Cyber Governance, Law, Regulation, and Compliance, Information Privacy, Regulation and Legal Compliance, Data Governance, Data Security, Machine Learning, Computer Security, Risk Management Framework
★ 4.6 (296) · Beginner · Course · 1 - 3 Months

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Mobile Development Tools, Google Workspace, Application Design, Application Deployment, Development Testing, Spreadsheet Software, Data Structures, User Interface (UI), User Accounts, Persona (User Experience), Authentications, User Feedback, Web Development, Marketing
★ 4.5 (694) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Content Management Systems, WordPress, Content Management, Web Presence, Web Content, Web Design, Web Design and Development, Web Development, System Configuration, Design, Marketing, Computer Science
★ 4.4 (4.3K) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Development, Frontend Integration, Hypertext Markup Language (HTML), Web Design, Javascript, Responsive Web Design, Web Presence
★ 4.3 (155) · Intermediate · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Design, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Code Reusability, Other Programming Languages, Java Programming, Java, Program Development, Computational Thinking, Computer Science, Algorithms, Theoretical Computer Science, Animations
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 Months

Adobe
Skills you'll gain: Adobe Illustrator, Typography, Color Theory, Generative AI, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Adobe Creative Cloud, AI powered creativity, Graphics Software, Graphical Tools, Creative Design, Digital Design, Design Elements And Principles, Editing, Creativity
★ 4.6 (369) · Mixed · Course · 1 - 4 Weeks