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.

Skillshare
Skills you'll gain: Photo Editing, Photography, Image Quality, Typography, Editing, Graphic and Visual Design, Post-Production, Color Theory, Storytelling, Automation, File Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Programming Principles, Java, Data Structures, Program Development, Eclipse (Software), Object Oriented Programming (OOP), Computer Programming, Debugging, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Git (Version Control System), Test Data, Software Installation, Debugging
Intermediate · Course · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Relational Databases, Database Management, Databases, Database Design, Database Architecture and Administration, Query Languages, Data Integrity, Secure Coding, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Software Testing, JSON, Data Validation, Test Automation, Test Case, Development Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Extract, Transform, Load, Histogram, Data Transformation, Apache Kafka, JSON, Amazon S3, MySQL, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, LLM Application, Cost Benefit Analysis, Generative AI, AI Enablement, Application Programming Interface (API), Business Logic, Prompt Engineering, Scalability, Business Analysis, TypeScript, Node.JS, AI Security, System Design and Implementation, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Prompt Engineering, Generative AI, Software Development Tools, ChatGPT, LLM Application, Software Development Life Cycle, Application Development, AI Workflows, Application Design, Software Development Methodologies, Code Review, Responsible AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Automation, Application Programming Interface (API), Scripting, Python Programming, Web Scraping, Data Import/Export, Data Manipulation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, User Interface (UI), UI Components, Debugging, Scripting, C# (Programming Language)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Email Automation, Front-End Web Development, Web Design and Development, User Interface (UI), Web Design, Java, Server Side, Java Programming, MySQL, Program Development, Hypertext Markup Language (HTML), Web Development, Web Applications, Data Access, Back-End Web Development, Real Time Data, Development Testing, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks