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.

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
Intermediate · 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

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

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Kubernetes, Devops Tools, Google Cloud Platform, DevOps, Build Tools, Development Environment, Cloud Management
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Command-Line Interface, Code Review, Application Development, Secure Coding, Model Context Protocol, Software Installation, Application Security, Software Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Token Optimization, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, LangChain, Embeddings, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Artificial Intelligence, Generative AI, Large Language Modeling, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub Copilot, Software Documentation, R (Software), Software Versioning, Microsoft Visual Studio, Technical Documentation, Program Development, Statistical Analysis, Development Environment, Descriptive Statistics, Statistical Programming, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Data Visualization, User Interface (UI), User Interface (UI) Design, Data Visualization Software, Interactive Data Visualization, Statistical Visualization, Application Deployment, Web Applications, Front-End Web Development, Data Analysis, Back-End Web Development, Spatial Data Analysis, Web Development, Frontend Integration, Full-Stack Web Development, Python Programming, Data Preprocessing, Development Environment
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Artificial Intelligence and Machine Learning (AI/ML), Customer Insights, Applied Machine Learning, Customer Analysis, Data-Driven Marketing, Marketing Analytics, Generative AI, AI Integrations, Predictive Modeling, Predictive Analytics, Customer Data Management, Time Series Analysis and Forecasting, Customer Acquisition Management, Marketing Strategies
Beginner · Course · 1 - 4 Weeks

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