Faker GitHub Repositories (2026) · Open Source Tools

Faker is a Python package that generates fake data for you.

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺

🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI.

Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!

Database anonymization and test data management

A model factory library for creating expressive, auto-completable, on-demand dev/test fixtures with Symfony and Doctrine.

Port of a popular ruby faker gem written in kotlin. Generate realistically looking fake data such as names, addresses, banking details, and many more, that can be used for testing and data anonymization purposes.

Generate fake data on demand.

Graceful mock-data generation using TypeScript