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.

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: 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: Java Programming, Development Environment, Java, Integrated Development Environments, Key Management, Software Development Tools, Cryptographic Protocols, Encryption, Cryptography, Performance Tuning, Memory Management, Scalability, Software Installation
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Django (Web Framework), Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL, MySQL, Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Test Tools, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Visualization, Systems Architecture, Software Design Patterns, Code Reusability, Graphics Software, Visualization (Computer Graphics), Systems Design, Cross Platform Development, Computer Graphic Techniques, Image Quality, System Design and Implementation, Dataflow, Memory Management, Performance Tuning, Scalability
Beginner · Specialization · 3 - 6 Months

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: 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: 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

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

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media, Social Media Content, Media Planning, Social Media Marketing, Media Strategy, Social Media Management, Strategic Communication, Paid media, Content Strategy, Digital Media Strategy, Earned Media, Owned Media, Content Marketing, Brand Strategy, Content Performance Analysis, Driving engagement, Social Media Analytics, Content Creation, Brand Management
Intermediate · Course · 1 - 4 Weeks