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.

Pearson
Skills you'll gain: C++ (Programming Language), Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Object Oriented Design, Programming Principles, File I/O, Data Import/Export, Debugging, File Management, Memory Management
Beginner · Course · 3 - 6 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

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Social Media Management, Social Media Content, Marketing Communications, Digital Media Strategy, Social Media Analytics, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Program Implementation, Target Audience, Content Creation, Content Strategy, Brand Strategy, Owned Media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Dashboard, Kubernetes, Capacity Management, Analysis, Performance Tuning, MLOps (Machine Learning Operations), Scenario Testing, Memory Management, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Failure Analysis, Root Cause Analysis, Analysis, Memory Management, Complex Problem Solving, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Code Reusability, Package and Software Management, Memory Management
Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Generative AI Agents, AI Integrations, Agentic systems, Context Engineering, Agentic Workflows, Application Deployment, Token Optimization, Tool Calling, LLM Application, Context Management, Enterprise Architecture, Responsible AI, Model Evaluation, Large Language Modeling, Memory Management, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Memory Management, Other Programming Languages, Code Reusability, Interoperability, Object Oriented Programming (OOP), Systems Integration, Software Development
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Graph Theory, Object Oriented Design, C (Programming Language), Artificial Intelligence, Algorithms, Data Structures, Memory Management, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Other Programming Languages, Code Reusability, Secure Coding, Data Structures, Programming Principles, Data Sharing, Data Access
Intermediate · Course · 1 - 3 Months

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