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.

Pearson
Skills you'll gain: System Programming, Rust (Programming Language), Data Structures, Memory Management, Relational Databases, Other Programming Languages, Databases, Data Access, C (Programming Language), Programming Principles, Application Development, Code Reusability, Object Oriented Programming (OOP), C++ (Programming Language), Interoperability, Systems Integration, File I/O, Command-Line Interface, Program Development, Software Development
Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Generative AI Agents, AI Integrations, Agentic systems, Context Engineering, Agentic Workflows, Application Deployment, Token Optimization, Tool Calling, LLM Application, Context Management, Enterprise Architecture, Responsible AI, Model Evaluation, Large Language Modeling, Memory Management, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: z/OS, System Software, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Mainframe Technologies, Operating System Administration, Performance Tuning, System Configuration, OS Process Management, Memory Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, File I/O, Context Management, Software Architecture, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Solution Design, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce Development, Salesforce, Data Import/Export, Web Components, Business Process Automation, Data Validation, Web Services, Relationship Management, Workflow Management, UI Components, Data Access, Automation, Application Security, Test Script Development, Secure Coding, Web Development, Memory Management, Unit Testing, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Data Storage Technologies, Data Storage, Encryption, System Configuration, Electronic Hardware, Hardware Architecture, Cloud Storage, Desktop Support, Power Electronics, IT Infrastructure, USB, Help Desk Support, Performance Tuning, Memory Management, IT Security Architecture, IT Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Memory Management, Real Time Data, Application Development, .NET Framework, Performance Tuning, Secure Coding, C# (Programming Language), System Programming
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Performance Stress Testing, Cross Platform Development, Hardware Architecture, Computing Platforms, Program Development, Application Frameworks, Software Installation, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Agentic Workflows, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Memory Management, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Document Management, Scalability, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Active Directory, User Accounts, Security Controls, Proxy Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Embedded Software, C (Programming Language), Code Reusability, Memory Management, Programming Principles, Data Structures, Computer Programming, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Code Reusability, Memory Management, C and C++, Programming Principles, Data Management, Software Development
Intermediate · Guided Project · Less Than 2 Hours