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.

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

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Algorithms, Memory Management, Graph Theory, Data Access, Performance Tuning
Advanced · 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

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Operating Systems, File Systems, File Management, Computer Systems, Memory Management, System Software, OS Process Management, File I/O, Data Storage, Computer Hardware, Program Development, Peripheral Devices, System Design and Implementation, Algorithms
Mixed · Course · 1 - 3 Months

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: 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

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

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

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

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

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
Beginner · Course · 1 - 3 Months