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.

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Software Engineering, Algorithms, Memory Management, Computer Programming Tools, Integrated Development Environments, Debugging, Program Development, Database Systems, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Social Media Strategy, Content Marketing, Social Media Content, Social Media Marketing, Shared Media, Consumer Behaviour, Driving engagement, Marketing Communications, Content Creation, Influencing, Social Media Campaigns, Persuasive Communication, Advertising, Marketing, Earned Media, Marketing Psychology, Promotional Strategies, Decision Making
Mixed · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Java Programming, Spring Framework, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Java Platform Enterprise Edition (J2EE), Programming Principles, Software Design, Computer Programming, Data Structures, Software Installation, Virtual Machines, Code Reusability, Web Development, Package and Software Management, Memory Management, Computational Logic, Development Environment, Functional Design
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Go (Programming Language), Memory Management, Data Structures, System Programming, Other Programming Languages, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, User Interface (UI), Scripting, UI Components, Game Design, User Interface (UI) Design, Animation and Game Design, Interactive Design, Performance Tuning, User Interface and User Experience (UI/UX) Design, Video Game Development, Artificial Intelligence, Data Structures, C# (Programming Language), Animations, Model Optimization, Virtual Reality, Event-Driven Programming, Memory Management
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Orchestration, Agentic Workflows, AI Workflows, Generative AI Agents, Tool Calling, Agentic systems, Model Deployment, AI Integrations, Enterprise Architecture, Prompt Engineering Tools, Context Engineering, Artificial Intelligence, Context Management, Prompt Engineering, Prompt Patterns, Debugging, Verification And Validation, Retrieval-Augmented Generation, Large Language Modeling, Memory Management
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Scalability, Load Balancing, Performance Tuning, Software Architecture, Microsoft Copilot, Query Languages, Systems Architecture, Application Performance Management, Database Development, Distributed Computing, Database Management, SQL, Process Optimization, Database Software, Memory Management, Database Systems, Technology Strategies
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Data Structures, Algorithms, C++ (Programming Language), Memory Management, C and C++, Graph Theory, Object Oriented Programming (OOP), File I/O, Object Oriented Design, Computational Thinking, C (Programming Language), Programming Principles, Theoretical Computer Science, Program Development, Computer Programming, Computer Science, Application Development, Systems Development, Data Storage, Computer Architecture
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Serverless Computing, Web Development Tools, Rust (Programming Language), Containerization, Other Programming Languages, Web Applications, Browser Compatibility, Server Side, Servers, Build Tools, Data Processing, Javascript, Cross Platform Development, Computer Graphics, Hypertext Markup Language (HTML), Debugging, Memory Management
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Risk Management Framework, Cyber Security Policies, Computer Security, C and C++, Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Memory Management, Back-End Web Development, Go (Programming Language), Code Reusability, Software Design Patterns, Computer Programming Tools, Data Store, Software Architecture, Data-oriented programming, Systems Design, Data Structures, System Programming, Programming Principles, Object Oriented Programming (OOP), Cloud Development, Computer Programming, Logical Reasoning, Programmable Logic Controllers, Application Development, Open Source Technology
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Event-Driven Programming, Software Design Patterns, JavaScript Frameworks, Web Frameworks, Frontend Integration, Web Applications, Software Architecture, Dataflow, Programming Principles, Javascript, Data Pipelines, Data Mapping, Memory Management, Data Validation
Intermediate · Course · 1 - 4 Weeks