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.

Coursera
Skills you'll gain: Failure Analysis, Root Cause Analysis, Analysis, Memory Management, Complex Problem Solving, Correlation Analysis
Beginner · 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

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: 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: 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: Extensible Markup Language (XML), Android Development, Extensible Languages and XML, Android (Operating System), Memory Management, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), User Interface (UI) Design, Performance Tuning, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Embedded Software, C (Programming Language), Code Reusability, Memory Management, Programming Principles, Data Structures, Development Environment
Beginner · 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: Object Oriented Design, Memory Management, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Agentic Workflows, AI Orchestration, Generative AI Agents, AI Workflows, LLM Application, Agentic systems, Tool Calling, Context Management, AI Integrations, Gemini, Data Persistence, Memory Management, Development Environment, Large Language Modeling, Software Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Prompt Engineering Tools, Agentic Workflows, Deepseek, Automation, Agentic systems, AI Integrations, Memory Management
Intermediate · Course · 3 - 6 Months