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: Package and Software Management, Software Installation, Memory Management, Build Tools, Programming Principles, Integrated Development Environments
Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Security Assessment, Cybersecurity, Operating System Administration, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Identity and Access Management, Memory Management, Data Persistence, Computer Architecture
Intermediate · Course · 1 - 3 Months

International Institute of Information Technology, Hyderabad
Skills you'll gain: Hardware Troubleshooting, Computer Engineering, Computer Science, System Programming, Memory Management, Performance Tuning, C (Programming Language), Computational Logic, Numerical Analysis, Algorithms, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, Generative AI Agents, Memory Management, Agentic systems, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Memory Management, Computational Thinking
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Java Programming, Java, OS Process Management, Memory Management, Data Sharing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Campaign Planning, Communication Planning, Campaign Management, Strategic Communication, Advertising, Marketing Communications, Resource Allocation, Media Strategy, Brand Management, Integrated Marketing Communications, Brand Strategy, Earned Media, Communication Strategies, Owned Media, Public Relations, Shared Media, Paid media, Key Performance Indicators (KPIs), Research and Design, Market Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Memory Management, Operating Systems, C++ (Programming Language), C (Programming Language), System Configuration, Hardware Architecture, File Systems, Data Integrity, Computer Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Software Design, C++ (Programming Language), Object Oriented Design, Software Architecture, Programming Principles, Application Frameworks, Object Oriented Programming (OOP), Prototyping, Memory Management, Database Development, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Unix, Computer Security, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Linux, Debugging, Command-Line Interface, Linux Commands, Memory Management, Remote Access Systems, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Programming Principles, Data Structures, Memory Management, Software Installation
Beginner · Course · 1 - 3 Months