- Objects on Rails — notes on flexible web application design http://objectsonrails.com/
- TruffleRuby — Faster Ruby with TruffleRuby and GraalVM https://www.graalvm.org/ruby/
- Build your own RSpec – introduction to DSL and metaprogramming http://pdabrowski.com/blog/ruby-on-rails/testing/build-your-own-rspec/
- Enough With the Service Objects Already https://avdi.codes/service-objects/
- The (Silver) Bullet for the N+1 Problem https://www.sitepoint.com/silver-bullet-n1-problem/
- Ruby on Rails — a web-application framework that includes everything needed to create database-backed web applications http://rubyonrails.org/
- Hanami — a modern web framework for Ruby http://hanamirb.org/
- Pry — a powerful alternative to the standard IRB shell for Ruby http://pryrepl.org/
- Active Admin — The administration framework for Ruby on Rails https://activeadmin.info/
- Faktory — High-performance job processing for the polyglot enterprise http://contribsys.com/faktory/