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.

University of Washington
Skills you'll gain: Other Programming Languages, Software Design, Ruby (Programming Language), Programming Principles, Data Structures, Computer Programming, Functional Design, Code Reusability
★ 4.9 (789) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Prompt Engineering, Vector Databases, Embeddings, System Monitoring, Application Security, Fine-tuning, Artificial Intelligence, Model Evaluation
★ 4.8 (192) · Intermediate · 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, Visualization (Computer Graphics), Unit Testing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Database Management Systems, Memory Management, Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Statistical Methods, R (Software), Data Manipulation, Plot (Graphics), Data Science, Box Plots, Statistical Visualization, Correlation Analysis, Model Training, Tidyverse (R Package)
★ 4.7 (371) · Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Ruby (Programming Language), Other Programming Languages, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Programming Principles, Functional Design, Computational Thinking, Code Reusability
★ 4.9 (463) · Mixed · Course · 1 - 3 Months

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

Microsoft
Skills you'll gain: Microsoft Visual Studio, R (Software), Debugging, R Programming, Data Structures, Microsoft Development Tools, Software Documentation, Programming Principles, Statistical Programming, Program Development, Code Reusability, Development Environment, Data Manipulation, Computational Logic, Scripting, Functional Design, Software Installation
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Big Data, Google Cloud Platform, Marketing Analytics, Generative AI, Data-Driven Marketing, Applied Machine Learning, Data Analysis, Predictive Analytics, Forecasting, Predictive Modeling, Query Languages, SQL
★ 4.1 (9) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Software Development Life Cycle, Systems Development Life Cycle, Google Cloud Platform, Development Testing, AI Integrations, Application Development, Test Case, Query Languages, Debugging
★ 4.9 (13) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
★ 4.5 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LLM Application, Embeddings, AI Integrations, Large Language Modeling, Data Integration, Graph Theory, Query Languages, Interactive Data Visualization, Development Environment
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months