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.

Illinois Tech
Skills you'll gain: Web Analytics, Paid media, Digital Marketing, Email Marketing, Social Media Analytics, Digital Media Strategy, Digital Marketing Campaigns, Digital Marketing Tools, Marketing Analytics, Digital Analysis, Data-Driven Marketing, Social Media Marketing, Marketing Effectiveness, Earned Media, Social Media Campaigns, Social Media, Media Strategy, Content Performance Analysis, Analytics, Owned Media
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Authentications, Back-End Web Development, Web Servers, Databases, Server Side, Web Applications, Restful API, Application Programming Interface (API), System Programming, Data Sharing, Data Structures, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Test Tools, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications, Software Installation, System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), File I/O, Memory Management, Data Structures, Code Reusability, System Programming, Secure Coding
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Telecommunications, Virtual Private Networks (VPN), Infrastructure Security, Data Security, Security Awareness, Remote Access Systems, Network Protocols, Information Privacy, Communication Systems, Emerging Technologies
★ 4.9 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Debugging, Memory Management, Application Development, Program Development, Build Tools, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Software Installation, Software Development Tools, Programming Principles, Code Reusability, Object Oriented Programming (OOP), Command-Line Interface, System Programming, Package and Software Management, Other Programming Languages
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, AI Orchestration, Databases, Server Side, Web Applications, Agentic Workflows, AI Integrations, Command-Line Interface, AI Workflows, Package and Software Management, Agentic systems, API Testing, Memory Management, Development Environment
Intermediate · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Remote Access Systems, Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Servers, Microsoft Windows, Network Administration, Microsoft Azure, Network Infrastructure, Public Key Infrastructure, Data Storage Technologies, Infrastructure As A Service (IaaS), Data Storage, Network Security, Cloud Storage, Hybrid Cloud Computing, Proxy Servers, File Management, File Systems
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Optimization, Token Optimization, Model Deployment, Generative AI, Performance Tuning, Model Evaluation, Performance Testing, Cross Platform Development, PyTorch (Machine Learning Library), Memory Management, Development Environment, Hardware Architecture, Scalability
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Generative AI Agents, AI Integrations, Agentic systems, Context Engineering, Agentic Workflows, Application Deployment, Token Optimization, Tool Calling, LLM Application, Context Management, Enterprise Architecture, Responsible AI, Model Evaluation, Large Language Modeling, Memory Management, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Other Programming Languages, Code Reusability, Secure Coding, Data Structures, Data Sharing, Data Management, Data Access
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, System Programming, Programming Principles, Distributed Computing, C and C++, Performance Tuning, Memory Management, Algorithms, OS Process Management, Program Development, Scalability, Data Sharing, Performance Testing
Intermediate · Course · 1 - 3 Months