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.

Coursera
Skills you'll gain: Memory Management, Scalability, Performance Tuning, C++ (Programming Language), Computer Architecture, Cross Platform Development, Hardware Architecture, Computing Platforms, C (Programming Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Oracle Databases, Database Management, Oracle Cloud, Performance Tuning, Database Management Systems, Query Languages, Database Architecture and Administration, Relational Databases, Memory Management
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

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Other Programming Languages, Package and Software Management, Memory Management, Go (Programming Language), Programming Principles, Program Development, C (Programming Language), Secure Coding, Software Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

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: Rust (Programming Language), OpenAI API, Generative AI Agents, Package and Software Management, Memory Management, Development Environment, Large Language Modeling, Unit Testing, Software Documentation, Computer Programming, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Programming Principles, Object Oriented Programming (OOP), Memory Management, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, Hardware Architecture, Peripheral Devices, Networking Hardware, USB, Data Storage, System Configuration, Computer Networking, Local Area Networks, Data Storage Technologies, Display Devices, General Networking, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, General Networking, OSI Models, Network Protocols, Network Support, Networking Hardware, TCP/IP, Microsoft Windows, Network Routers, Network Switches, Network Administration, Local Area Networks, Computer Networking, Technical Support and Services, Network Model, Computer Hardware, System Configuration, Command-Line Interface, iOS Development, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple Xcode, Apple iOS, iOS Development, Apple software proficiency, Application Development, Mobile Development, Memory Management, Cross Platform Development, Object Oriented Programming (OOP), Performance Tuning, Programming Principles, Development Environment, Integrated Development Environments, Code Reusability, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Database Management, Database Architecture and Administration, Relational Databases, Database Software, Data Storage Technologies, Performance Tuning, Servers, Database Management Systems, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), System Configuration, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Token Optimization, Memory Management, Context Management, Document Management, Embeddings, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months