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: Retrieval-Augmented Generation, Prompt Patterns, Token Optimization, Memory Management, Context Management, Document Management, Embeddings, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Systems, Computer Engineering, System Programming, Memory Management, File Systems, Data Access, Cloud Platforms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Code Reusability, Memory Management, C and C++, Programming Principles, Data Management, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Oracle SQL Developer, Code Reusability, Oracle Databases, Programming Principles, Computational Logic, Memory Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Web Services, Java, Cascading Style Sheets (CSS), Data Mapping, Verification And Validation, Data Validation, Memory Management
★ 4.4 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce Development, Salesforce, Data Import/Export, Web Components, Business Process Automation, Data Validation, Web Services, Relationship Management, Workflow Management, UI Components, Data Access, Automation, Application Security, Test Script Development, Secure Coding, Web Development, Memory Management, Unit Testing, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Maintenance, Linux Administration, Operating System Administration, Database Software, Event Monitoring, Database Management Systems, Linux Commands, File I/O, Data Migration, Performance Testing, Data Storage Technologies, Scenario Testing, Memory Management, Data Storage, Software Installation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL
Intermediate · Course · 1 - 3 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, Memory Management, Development Environment, Large Language Modeling
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Performance Tuning, Data Storage, SQL, Enterprise Application Management, Network Administration, Memory Management, User Accounts
★ 5 (20) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Data Store, Key Management, Data Structures, Data Storage, Performance Tuning, Memory Management
★ 4.9 (13) · Beginner · Course · 1 - 4 Weeks

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