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: Extensible Markup Language (XML), Extensible Languages and XML, Java, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Data Mapping, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Redis, Microservices, Restful API, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Scalability, Maintainability, Database Design, Software Architecture, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Jenkins, Mobile Development, Test Execution Engine, Testability, Application Frameworks, Test Case, Regression Testing, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Cross Platform Development, Containerization
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Mapping, IBM WebSphere MQ, Middleware, Business Process Automation, Process Driven Development, Data Integration, Scenario Testing, File Transfer Protocol (FTP), Test Case, Development Testing, Data Validation, Java Programming, System Configuration, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, GitHub, Version Control, Git (Version Control System), MySQL, Query Languages, Relational Databases, Jupyter
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Management, Database Development, Database Systems, SQL, Data Integrity, Data Modeling, Data Management, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bayesian Statistics, A/B Testing, Microsoft Excel, Statistical Machine Learning, Statistical Modeling, Predictive Analytics, Business Analytics, Data Analysis, Advanced Analytics, Probability & Statistics, Decision Making, Health Informatics, Statistical Programming, Markov Model
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, ChatGPT, Application Deployment, JavaScript Frameworks, Front-End Web Development, Data Persistence, UI Components, Application Programming Interface (API), Debugging, User Interface (UI), User Experience Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, User Interface (UI), MySQL, User Interface (UI) Design, Application Development, Application Deployment, Database Management, Databases, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, People Analytics, Job Analysis, Business Analysis, Grammar, Customer Support, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Mobile Development, User Interface (UI), Apple Xcode, Restful API, User Interface and User Experience (UI/UX) Design, Application Development, Development Environment, Application Programming Interface (API), UI Components, Real Time Data, JSON
Beginner · Course · 1 - 4 Weeks