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: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), Cloud Platforms, Cloud-Native Computing, API Testing, Istio, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Architecture, Code Reusability, Pseudocode, Microarchitecture, Memory Management, Systems Architecture, Hardware Architecture, Computer Hardware, Electronic Hardware, System Programming, Computer Architecture, Software Design, Cross Platform Development, Systems Design, Software Design Patterns, Internet Of Things, Hardware Troubleshooting
★ 2.6 (10) · Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Memory Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
★ 4.6 (18) · Intermediate · Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Development, Cloud Deployment, Amazon Web Services, Hardware Architecture, Cloud Applications, Performance Tuning, Software Development, Computer Architecture, Development Environment, Software Development Tools, Memory Management, Programming Principles, Computer Programming Tools
★ 4.7 (77) · Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Problem Solving, Critical Thinking and Problem Solving, Creativity, Creative Problem-Solving, Human Factors, Decision Making, Human Learning, Human Computer Interaction, Mental Concentration, Human Machine Interfaces, Learning Theory, Usability, Memory Management, Human Centered Design
★ 4.9 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Embedded Systems, Pseudocode, Microarchitecture, Hardware Architecture, Computer Architecture, Software Design, System Programming, Systems Design, Software Design Patterns, Systems Integration, Programming Principles, Event-Driven Programming, Program Development, Real Time Data, Peripheral Devices, Memory Management
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Peripheral Devices, Hardware Troubleshooting, Desktop Support, Computer Hardware, Technical Support, System Requirements, System Configuration, Display Devices, Issue Tracking, Patch Management, Data Storage, Usability, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), C and C++, C++ (Programming Language), Data Structures, Object Oriented Design, Code Reusability, Memory Management, Data Persistence, Algorithms
★ 4.8 (10) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Rust (Programming Language), Code Reusability, Data Manipulation, System Programming, Data Structures, Memory Management, Performance Tuning, Data Management, Data Analysis, Web Development, Application Development
★ 3.7 (14) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Database Administration, Database Management, Database Architecture and Administration, Performance Tuning, Server Administration, Data Maintenance, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Authentications
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Package and Software Management, Data Structures, Software Installation, Code Reusability, Build Tools, Programming Principles, Other Programming Languages, Secure Coding, Data Management, Integrated Development Environments, Data Sharing, Data Access
Beginner · Specialization · 3 - 6 Months