"Type Checking Ruby" by Jeffrey Foster

"Gradual typing of Ruby at Scale" by Dmytro Petrashko and Paul Tarjan

Intro to values and types in ruby

[EN] Gradual typing for Ruby: comparing RBS and RBI/Sorbet / Alexandre Terrasa @Morriar

[EN] The State of Ruby 3 Typing / Soutaro Matsumoto @soutaro

How to Add Type Checking In Ruby

[EN]Ruby programming with types in action / Soutaro Matsumoto @soutaro

[EN] A practical type system for Ruby at Stripe. @DarkDimius @ptarjan @nelhage

Pony Language - First Impression [Programming Languages Episode 34]

Checking Your Types: An Overview of Ruby's Type System - Sabrina Gannon - rubyday 2021

4 Variable Types In Ruby (1 Min)

[EN] Write a Ruby interpreter in Ruby for Ruby 3 / Koichi Sasada @ko1

[EN] Type Checking Ruby Programs with Annotations / Soutaro Matsumoto @soutaro

[EN] State of Sorbet: A Type Checker for Ruby / Jake Zimmerman @jez, Paul Tarjan @ptarjan

Rubyfuza 2019: Daniel Smith - Static Type Inferencing… in Ruby?

Soutaro Matsumoto - An Introduction to Static Typing in Ruby 3

Data Types & Variables in Ruby

Gradual typing for Ruby at Scale with Sorbet - Dmitry Petrashko

RubyConf 2022: Static typing with RBS in Ruby by Gaurav Kumar Singh

GoGaRuCo 2014- Refactoring Ruby with Monads