Ruby courses can help you learn object-oriented programming, web application development, and scripting. You can build skills in writing clean, maintainable code, debugging, and using frameworks like Ruby on Rails for rapid application development. Many courses also introduce tools such as Git for version control and testing frameworks like RSpec, that support ensuring code quality and collaboration in software projects.

Yale University
Skills you'll gain: Ancient History, Art History, Architectural Design, Architecture and Construction, Architectural Engineering, Building Design, Civil Engineering, European History, World History, Aesthetics, Case Studies, Design Elements And Principles
★ 4.9 (719) · Beginner · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Web Applications, Web Components, Javascript, Program Development, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, Data Transformation, SQL, Data Import/Export
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Excel Macros, Microsoft Excel, Data-Driven Decision-Making, Predictive Modeling, Excel Formulas, Business Modeling, Spreadsheet Software, Data Validation, Automation, Auditing, Dependency Analysis, Data Security, Operations Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Test Automation, API Testing, Test Tools, Ajax, Software Testing, Scenario Testing, Restful API
★ 4.3 (10) · Advanced · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, JavaScript Frameworks, LLM Application, Large Language Modeling, AI Orchestration, Python Programming
★ 4.7 (25) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Cloud Applications, Cloud Development, Generative AI, Application Design, Application Development, Software Architecture, Software Development Tools, Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, AI Workflows, LLM Application, Agentic Workflows, Agentic systems, Tool Calling, Generative AI Agents, Model Deployment, Large Language Modeling, Artificial Intelligence, Context Management, Data Persistence, Business Logic, Enterprise Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Based Integration, User Flows, Embedded Software, Computer Hardware, No-Code Development, System Configuration, Cloud Applications, Interactive Data Visualization, Automation, Command-Line Interface
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Life Sciences, Molecular Biology, Biotechnology, Environment, Precision Medicine, Molecular, Cellular, and Microbiology, Biology, Physiology, Sustainable Development, Medical Science and Research, Environmental Science, Biochemistry, Cell Biology, Microbiology, Analysis, Computational Thinking
★ 4.6 (331) · Beginner · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Responsive Web Design, Swift Programming, Mobile Development, User Interface (UI) Design, User Interface (UI), UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Back-End Web Development, User Accounts, Server Side, Swift Programming, Full-Stack Web Development, Web Development, Programming Principles, Real Time Data, iOS Development, Apple iOS, Frontend Integration, Web Applications, Restful API, Authentications, Data Management, UI Components, User Interface (UI), Data Security
Advanced · Course · 1 - 4 Weeks