Shopify/tapioca

The type signature language for Ruby

A fast, powerful type checker designed for Ruby

An experimental type-level Ruby interpreter for testing and understanding Ruby code

Static type checker for Ruby

A Ruby language server.

YARD is a Ruby Documentation tool. The Y stands for "Yay!"

Contracts for Ruby.

Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?

💎 A collection of awesome Ruby libraries, tools, frameworks and software