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

Skills you'll gain: Robotics, Docker (Software), Containerization, Ubuntu, System Configuration, Systems Architecture, Middleware, Software Architecture, Python Programming, C and C++, Development Environment, Operating Systems, C++ (Programming Language), Software Installation, Generative AI
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Code Reusability, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Apache, Cloud Management, Full-Stack Web Development, Ruby (Programming Language), Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Chef (Configuration Management Tool), Scalability, Infrastructure as Code (IaC), Apache, Devops Tools, IT Automation, Cloud Infrastructure, Virtual Machines, Amazon Web Services, IT Infrastructure, Amazon Elastic Compute Cloud, Cloud Management, Application Deployment, Cloud Computing, Systems Administration, Nginx, Full-Stack Web Development, Servers, Ruby (Programming Language), Software Installation
Beginner · Specialization · 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

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Data Processing, R Programming, Data Manipulation, Data Structures, Statistical Programming, Data Analysis, Computational Logic, Data Analysis Software, Data Preprocessing, Software Installation, Data Science, Development Environment, Computer Programming, Program Development, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Query Languages, Application Development, Google Cloud Platform, Development Testing, Software Development Life Cycle, Software Development Tools, Test Script Development, Cloud Applications, Software Testing, Test Case, Web Applications, Debugging
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, Server Side, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks