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.

Skills you'll gain: Plot (Graphics), Mathematical Software, Data Manipulation, Jupyter, Python Programming, Numerical Analysis, Data Wrangling, Data Science, Java, R Programming, Interoperability, Java Programming, Programming Principles, Computer Programming, Development Environment, Statistical Analysis, Scripting Languages, C (Programming Language), Data Structures, Machine Learning
Intermediate · Course · 1 - 3 Months

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, SQL, Data Import/Export
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Programming, Programming Principles, Exploratory Data Analysis, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Other Programming Languages, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic
★ 4.4 (439) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Hypertext Markup Language (HTML), Software Documentation, Technical Documentation, Web Development, Technical Writing
★ 4.3 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Computational Logic
Intermediate · Course · 1 - 3 Months

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 (721) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, No-Code Development, Agentic Workflows, Application Development, Full-Stack Web Development, Vibe coding, AI Integrations, Web Applications, LLM Application, Generative AI, Back-End Web Development, Frontend Performance, Application Deployment, User Interface (UI), Software Development Life Cycle, System Design and Implementation, Authorization (Computing), Problem Solving, Authentications, Database Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Applications, Ruby on Rails, Cloud Deployment, Application Deployment, PostgreSQL, Cloud Hosting, CI/CD, Build Tools, Object-Relational Mapping, Cloud Storage, Database Application, Key Management, Secure Coding, Relational Databases, Data Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Vibe coding, Prompt Engineering, Authentications, LLM Application, AI Integrations, AI Workflows, User Interface (UI), Application Deployment, Full-Stack Web Development, Application Development, No-Code Development, Generative AI, Web Applications, Authorization (Computing), Back-End Web Development, System Design and Implementation, Frontend Performance, Software Development Life Cycle, Database Management, Problem Solving
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Other Programming Languages, Object Oriented Design, Computational Logic, Command-Line Interface
★ 4.8 (66) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Cinematography, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Code Reusability, Computer Programming, Computational Logic
★ 4.2 (44) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Design, Application Development, Development Testing, Web Applications, Application Frameworks, Software Architecture, Enterprise Architecture, UI Components, Data Modeling, Database Development
★ 3.2 (11) · Advanced · Course · 1 - 4 Weeks