Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Code Reusability, Context Management, Transaction Processing, Business Logic, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Illustrator, Color Theory, Graphic and Visual Design, Creative Design, Design Elements And Principles, Digital Design, Graphic Design, Graphics Software, Typography, Adobe Creative Cloud
Beginner · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Algorithms, Data Structures, Graph Theory, Java Programming, Computational Thinking, Computer Programming, Java, Memory Management, Simulations, API Design
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Model Deployment, Apache Spark, Data Pipelines, Cloud Deployment, Model Training, IBM Cloud, Applied Machine Learning, Machine Learning Methods, Model Optimization, Machine Learning Algorithms, Docker (Software), Machine Learning, Containerization, Data Science, Python Programming, Scalability, Design Thinking
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side, Application Frameworks, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MySQL Workbench, Data-Driven Decision-Making, Exploratory Data Analysis, MySQL, Data Analysis, Query Languages, SQL, Analytical Skills, Database Software, Technical Communication, Relational Databases
Intermediate · Guided Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Critical Thinking
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Power, Electrical Systems, Electrical Engineering, Simulation and Simulation Software, Estimation, Simulations, Matlab, Engineering Calculations, Mathematical Software, Numerical Analysis, Mathematical Modeling, Electronic Components, Scenario Testing, Algorithms
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Microsoft Office, Computer Networking, System Software, Computer Systems, Network Architecture, OS Process Management, Theoretical Computer Science, Computer Science, General Networking, Computer Architecture, Hardware Architecture, Network Protocols, Computer Literacy, Computational Logic, Computing Platforms, Programming Principles, Memory Management, Computer Hardware, Informatics
Mixed · Course · 1 - 3 Months