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: Swift Programming, iOS Development, Apple iOS, Application Development, Mobile Development, Software Architecture, Secure Coding, Maintainability, Software Design Patterns, Code Reusability, Data Validation, User Interface (UI), Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Memory Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Performance Tuning, Performance Stress Testing, Model Optimization, Algorithms, Performance Analysis, Performance Metric, Memory Management, Theoretical Computer Science
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Android Development, Key Management, Exploit development, Android (Operating System), Secure Coding, Mobile Security, Data Security, Application Security, Data Loss Prevention, Network Security, Exploitation techniques, Memory Management, File Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Generative AI Agents, Agentic Workflows, LLM Application, Data Persistence, Agentic systems, Memory Management, AI Personalization, Artificial Intelligence, Data Storage, Data Storage Technologies, Context Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Memory Management, Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, C (Programming Language), Debugging, Data Structures, Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C and C++, File I/O, Memory Management, Code Reusability, Computer Programming Tools, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Code Reusability, Software Architecture, Object Oriented Design, Data-oriented programming, C# (Programming Language), Memory Management, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Computer Hardware, Computer Architecture, Networking Hardware, Hardware Architecture, Computer Systems, Information Technology, Data Storage, Hardware Troubleshooting, General Networking, Data Storage Technologies, Computer Networking, Mainframe Computing, Peripheral Devices, Wireless Networks, Infrastructure Security, Business Technologies, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, PyTorch (Machine Learning Library), Model Training, Distributed Computing, Data Pipelines, Performance Tuning, Deep Learning, AI Workflows, Scalability, LLM Application, Memory Management, Hardware Architecture, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Authentications, Role-Based Access Control (RBAC), Splunk, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Identity and Access Management, Lightweight Directory Access Protocols, Authorization (Computing), Security Controls, Data Access, User Accounts, Proxy Servers
Beginner · Course · 1 - 4 Weeks