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.

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Application Programming Interface (API), Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Performance Management, Capacity Management, Istio, Scalability, API Testing, Security Controls, System Monitoring, Apache Cassandra, Application Deployment, Patch Management, Proxy Servers, Data Security, Cloud Deployment, Package and Software Management
Beginner · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Development, Cloud Deployment, Microarchitecture, Amazon Web Services, Hardware Architecture, Cloud Applications, Performance Tuning, Computer Architecture, Development Environment, Software Development Tools, Systems Design, System Design and Implementation, Memory Management, Programming Principles
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Hardening, Cryptographic Protocols, Cybersecurity, Encryption, Security Controls, Proxy Servers, Information Privacy, Servers, Communication Systems, Web Servers, Network Routing, Network Analysis, Cloud Hosting, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Monitoring, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Routing Protocols, Virtual Private Networks (VPN), Security Controls, OSI Models, Dynamic Host Configuration Protocol (DHCP), Proxy Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Memory Management, Integrated Development Environments
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Development Environment, Web Development, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Enterprise Application Management, Software Design, System Monitoring, Security Controls, Software Architecture, Application Security, Maintainability, Application Frameworks, Secure Coding, OS Process Management, Memory Management, Data Sharing
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: File I/O, Simulations, C (Programming Language), Computational Thinking, Automation, Algorithms, Data Structures, Programming Principles, Memory Management
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C and C++, C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Software Design, Python Programming, Java, Algorithms, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, C++ (Programming Language), Video Game Development, Program Development, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Application Development, Application Design, Memory Management
Intermediate · Course · 1 - 4 Weeks