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

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Performance Tuning, Hardware Design, Systems Architecture, Systems Design, Hardware Architecture, Software Architecture, System Software, System Design and Implementation, Reliability, System Programming, Real Time Data, Performance Testing, Failure Analysis, System Requirements, Memory Management, Data Integrity, Linux
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Virtual Networking, Data Centers, Virtual Local Area Network (VLAN), Data Storage Technologies, Data Storage, Data Infrastructure, Servers, Virtual Reality, Memory Management, Network Switches, iSCSI Configuration, Remote Access Systems, Computer Hardware
Build toward a degree
Intermediate · Course · 1 - 3 Months

International Institute of Information Technology Bangalore
Skills you'll gain: File I/O, C (Programming Language), Memory Management, Programming Principles, C and C++, Data Structures, Computer Programming, System Programming, Algorithms, Code Reusability, Program Development, Integrated Development Environments, Software Installation, Problem Solving
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Problem Solving, Critical Thinking and Problem Solving, Creativity, Creative Problem-Solving, Human Factors, Decision Making, Human Learning, Human Computer Interaction, Mental Concentration, Human Machine Interfaces, Learning Theory, Usability, Memory Management, Human Centered Design
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Memory Management, Development Testing, Programming Principles, Code Reusability, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Simulations, Computer Hardware, Performance Tuning, Memory Management, Dependency Analysis
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Memory Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
Intermediate · Project · Less Than 2 Hours

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

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

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