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.

Yeshiva University
Skills you'll gain: Ancient History, Art History, World History, Research, Color Theory, Timelines, Cultural Diversity, Storytelling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Computational Logic, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Big Data, Statistical Programming, Text Mining, Data Import/Export, Data Analysis, Data Structures, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Financial Data, Statistical Programming, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, Sampling (Statistics), Probability Distribution, R (Software), R Programming, Probability & Statistics, Bayesian Statistics, Data Analysis, Probability, Statistics, Statistical Analysis, Statistical Inference
Beginner · Course · 1 - 3 Months

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

Google Cloud
Skills you'll gain: Gemini, Google Cloud Platform, AI Workflows, Kubernetes, Generative AI, Application Deployment, Cloud Infrastructure, Cloud Management, Cloud Computing Architecture
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Generative AI Agents, Data Persistence, Query Languages
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, Unit Testing, Restful API, Application Deployment, Full-Stack Web Development, Application Development, Enterprise Application Management, Software Architecture, Data Modeling, User Interface (UI)
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Rust (Programming Language), Command-Line Interface, Encryption, Package and Software Management, Application Development, Cryptography, Software Engineering, Algorithms
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Gemini, Google Cloud Platform, Cloud Applications, Application Development, Generative AI, LLM Application, AI Enablement, Multimodal Prompts
Beginner · Project · Less Than 2 Hours