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: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Performance Tuning, Data Storage, SQL, Enterprise Application Management, Network Administration, Memory Management, User Accounts
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, AI Orchestration, Generative AI Agents, Agentic Workflows, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Memory Management, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Document Management, Application Deployment
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

Skills you'll gain: Internet Of Things, Prototyping, PIC Microcontrollers, Embedded Systems, Information Technology Architecture, USB, Program Development, Field-Programmable Gate Array (FPGA), System Configuration, Software Development, Power Electronics, Microarchitecture, Software Development Tools, Basic Electrical Systems, Electrical Wiring, Electrical Equipment, Electrical Power, Memory Management, Project Planning, Electric Power Systems
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Data Structures, Feature Engineering, MLOps (Machine Learning Operations), Java Programming, Java, Performance Tuning, Data Processing, Applied Machine Learning, System Monitoring, Scalability, Performance Analysis, Memory Management, Benchmarking, Graph Theory, Program Implementation
Advanced · Course · 1 - 4 Weeks

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

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, Amazon Redshift, Database Architecture and Administration, Transaction Processing, Data Migration, Amazon Elastic Compute Cloud, NoSQL, Relational Databases, Data Warehousing, Real Time Data, Scalability, Proxy Servers, Capacity Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Maintenance, Database Architecture and Administration, Database Management Systems, Memory Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Object Oriented Design, Software Design, Code Reusability, Records Management, Programming Principles, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Functional Design, Memory Management, Software Documentation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, Data Maintenance, SQL, Linux Administration, System Monitoring, Operating System Administration, Linux, Database Management, Linux Commands, File I/O, Data Migration, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Memory Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, Enterprise Architecture, Distributed Computing, Scalability, Site Reliability Engineering, Context Management, AI Security, Software Architecture, Vector Databases, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks