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: 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, Functional Design, Application Design, Software Design Patterns, Unit Testing, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Programming Principles, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, AI Enablement, Large Language Modeling, Graph Theory, Artificial Intelligence and Machine Learning (AI/ML), Query Languages, Data Visualization Software, Development Environment
Intermediate · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Cybersecurity, Data Security, Data Integrity
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, LangChain, Embeddings, LLM Application, Tool Calling, Prompt Engineering, AI Workflows, Artificial Intelligence, Generative AI
Intermediate · Course · 1 - 4 Weeks

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

DeepLearning.AI
Skills you'll gain: Recurrent Neural Networks (RNNs), Deep Learning, Natural Language Processing, Keras (Neural Network Library), Tensorflow, PyTorch (Machine Learning Library), Artificial Neural Networks, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Responsive Web Design, Web Design and Development, Hypertext Markup Language (HTML), Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Infographics, Javascript, Data Validation, Web Content, Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Development Tools, Web Content Accessibility Guidelines, Web Design and Development, Web Design, Front-End Web Development, Usability, Semantic Web, Cascading Style Sheets (CSS), Web Servers
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Storyboarding, Storytelling, Visual Design, Graphic and Visual Design, Design Elements And Principles, Creativity, Aesthetics
Beginner · Course · 1 - 4 Weeks