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.

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
Intermediate · Course · 1 - 4 Weeks

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

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Command-Line Interface, Linux Commands, Linux, Embedded Software, Embedded Systems, Linux Servers, Computer Engineering, File Systems, Unix, C (Programming Language), File Management, Memory Management, Computer Programming, Open Source Technology, OS Process Management, Build Tools
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

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

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

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Microarchitecture, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, Computer Systems, Data Storage, Information Technology, Memory Management
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Cloud-Native Computing, Memory Management, Grafana, Web Applications, Program Development, Software Architecture, Development Environment, Programming Principles, Computer Programming, Other Programming Languages, Network Security, Communication Systems, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Memory Management, Performance Tuning
Intermediate · Course · 1 - 3 Months