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: Marketing Automation, Application Programming Interface (API), Google Sheets, Calendar Management, ChatGPT, Content Creation, Digital Marketing, Prompt Engineering, Automation, Content Strategy, Brand Management, Project Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, OpenAI, LLM Application, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Technical Documentation, Technical Writing, Document Management, Writing, Microsoft Office, Concision, Editing, Business Writing
Beginner · Guided Project · Less Than 2 Hours

Tsinghua University
Skills you'll gain: Data Structures, Database Design, Query Languages, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: LLM Application, Large Language Modeling, Model Deployment, Embeddings, Application Programming Interface (API), Restful API, Natural Language Processing, Command-Line Interface, Machine Learning
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MySQL Workbench, SQL, Data Cleansing, Query Languages, Data Manipulation, Database Management, Databases, Data Quality
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Software Documentation, Application Performance Management, Microservices
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Positioning, Patient Coordination, Patient Education And Counseling, Clinical Assessment, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Patient Evaluation, Care Management, Communication
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Go (Programming Language), Debugging, Unit Testing, Verification And Validation, Application Frameworks, Programming Principles, Web Development, Web Applications, Data Structures, Development Environment, Object Oriented Programming (OOP), Software Design, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Agile Software Development, Project Management Software, Program Management, Responsible AI, Planning, Engineering Management, Generative AI, Timelines, Engineering Software, Risk Analysis, Resource Management, Prompt Engineering, Analytics, Stakeholder Communications, Machine Learning
Intermediate · Course · 1 - 4 Weeks