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: Docker (Software), Linux Administration, Devops Tools, Containerization, DevOps, System Monitoring, Information Technology Operations, System Configuration, Performance Tuning, Configuration Management, Context Management, Network Troubleshooting, Debugging, Proxy Servers, Data Storage, Service Management, Software Installation, Command-Line Interface, Performance Measurement, Resource Management
Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Numerical Analysis
★ 4.5 (253) · Intermediate · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Nginx, Proxy Servers, Hardening, Web Servers, Performance Tuning, Network Monitoring, Infrastructure Security, Network Performance Management, Linux Administration, Authentications, Security Controls, Application Performance Management, Network Troubleshooting, Network Security, System Monitoring, System Configuration, Load Balancing, Cybersecurity, DevOps, Computer Networking
Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Swift Programming, iOS Development, Apple Xcode, Mobile Development, Objective-C (Programming Language), Object Oriented Programming (OOP), Memory Management, Application Development, Development Environment, Programming Principles, Integrated Development Environments, Image Analysis, Computer Programming, Functional Design
★ 3.9 (1.4K) · Mixed · Course · 1 - 3 Months
Skills you'll gain: File Systems, Operating Systems, OS Process Management, Memory Management, C (Programming Language), File Management, Virtualization, Computer Programming Tools, Data Integrity, Debugging, File I/O, Virtualization and Virtual Machines, System Programming, Systems Design, Data Maintenance, Data Storage Technologies, System Software, Performance Tuning, Distributed Computing, C and C++
★ 4.6 (322) · Beginner · Specialization · 3 - 6 Months
Dartmouth College
Skills you'll gain: Memory Management, Command-Line Interface, C (Programming Language), Linux Commands, Linux, Computer Programming Tools, Embedded Systems, File I/O, Embedded Software, Software Visualization, Programming Principles, Computer Engineering, C and C++, Linux Servers, Algorithms, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
★ 4.6 (451) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Cloud Development, C and C++, Computer Programming Tools, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
★ 3.8 (183) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Infrastructure Architecture, Computing Platforms, Computer Architecture, Enterprise Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Memory Management, Development Environment, Programming Principles, Computer Programming Tools, Computer Programming, Integrated Development Environments, Data Structures, Software Installation
★ 4.6 (181) · Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Model View Controller, Apple Xcode, Mobile Development, User Interface (UI), Application Design, User Interface (UI) Design, Application Development, Objective-C (Programming Language), UI Components, Animations, Human Computer Interaction, Interactive Design, Object Oriented Programming (OOP), Memory Management, Application Frameworks, Interaction Design, Persistence
★ 3.9 (1.6K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Nginx, API Gateway, Kubernetes, Linux Administration, Proxy Servers, Web Servers, Cloud-Native Computing, Performance Tuning, Network Routing, Load Balancing, Linux Commands, Infrastructure Security, Security Controls, Network Troubleshooting, Public Key Infrastructure, Network Security, Role-Based Access Control (RBAC), DevOps, System Configuration, Computer Networking
Beginner · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Programming Principles, Computer Programming, C (Programming Language), Data Structures, Computational Logic, Program Development, Memory Management
★ 4.8 (370) · Mixed · Course · 1 - 3 Months