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.

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Containerization, Other Programming Languages, Go (Programming Language), Application Deployment, Docker (Software), Embedded Systems, C and C++, Cross Platform Development, Performance Tuning, Interoperability, Memory Management, Command-Line Interface, Software Engineering, Data Engineering
Beginner · Course · 1 - 3 Months

Skills you'll gain: Facebook, Persona Development, Customer Analysis, Target Audience, Social Media, Social Media Marketing, Target Market, Business Marketing, Social Media Content, Social Media Management, Marketing Strategies, Web Presence, Content Creation, Earned Media, Drive Engagement, Business Planning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
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: Data Structures, Algorithms, Programming Principles, Computer Programming, Theoretical Computer Science, Computational Thinking, Javascript, Memory Management
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Rust (Programming Language), Unit Testing, Development Testing, Continuous Integration, Network Protocols, TCP/IP, System Programming, C and C++, Integration Testing, Web Applications, Memory Management, Data Structures, Functional Design
Advanced · Course · 1 - 3 Months

Skills you'll gain: Angular, Responsive Web Design, Bootstrap (Front-End Framework), Node.JS, Back-End Web Development, Unit Testing, Server Side, Full-Stack Web Development, Web Design, Web Components, Frontend Performance, Front-End Web Development, Frontend Integration, Command-Line Interface, Application Programming Interface (API), API Design, Dataflow, Memory Management, E-Commerce, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Django (Web Framework), Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, System Programming, Distributed Computing, C and C++, Performance Tuning, Memory Management, Algorithms, OS Process Management, Program Development, Scalability, Data Sharing, Performance Testing
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Retrieval-Augmented Generation, AI Workflows, Agentic Workflows, Vector Databases, LangGraph, LangChain, AI Orchestration, LLM Application, Generative AI Agents, Embeddings, Application Performance Management, Large Language Modeling, Agentic systems, Data Pipelines, Semantic Web, Software Visualization, Performance Tuning, Context Management, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Java Programming, Java, Memory Management, Object Oriented Design, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Computational Logic, API Design, Data Structures
Intermediate · Course · 1 - 4 Weeks

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