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: Prompt Engineering, LLM Application, OpenAI API, OpenAI, Hugging Face, Large Language Modeling, Agentic systems, Embeddings, AI Workflows, Data Processing, Vector Databases, Retrieval-Augmented Generation, Generative AI Agents, Application Development, Memory Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Networking Hardware, Data Storage, Computer Systems, Data Storage Technologies, Computer Engineering, System Configuration, Microarchitecture, Computer Architecture, Software Installation, Peripheral Devices, Memory Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: C (Programming Language), Programming Principles, Computer Programming, Memory Management, Computational Thinking, Data Structures, Algorithms, File I/O, Operating Systems, File Systems, Program Development, Computational Logic, Computer Hardware
Build toward a degree
Beginner · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Debugging, Computer Systems, Computer Architecture, Microarchitecture, System Programming, System Software, Computational Logic, Programming Principles, Hardware Architecture, Data Storage, Operating Systems, Secure Coding, Data Structures, Application Security, Memory Management, Exploit development
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: Memory Management, Data Structures, Algorithms, Computer Science, Program Development, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, Virtual Networking, Software-Defined Networking, Network Infrastructure, Network Architecture, Encryption, Network Performance Management, Virtualization, Networking Hardware, Program Development, Virtual Machines, Open Source Technology, Performance Tuning, Unit Testing, Memory Management
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Memory Management, C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, Computer Programming, Programming Principles, Data Structures, Linux
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Microarchitecture, Computer Systems, Computational Logic, Hardware Design, Computer Hardware, Programming Principles, System Programming, Systems Architecture, Program Development, Data Storage, Memory Management
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, System Programming, Network Protocols, Program Development, Memory Management, Hardware Architecture, Computer Hardware
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · 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

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