thoughtbot/factory_bot_rails

A library for setting up Ruby objects as test data.

Create test data for Elixir applications

A test fixtures replacement for Python

Simple one-liner tests for common Rails functionality

Ruby on Rails like test fixtures for Go. Write tests against a real database

RSpec for Rails 7+

Faker is a PHP library that generates fake data for you

Doctrine2 ORM Data Fixtures Extensions

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