Great Expectations is the leading tool for validating, documenting, and profiling your data to maintain quality and improve communication between teams

Go beyond basic mocking and stubbing to create a more robust simulation for APIs and services.

A tool to help create test data via a UI or API

PDF Mantis is a open source Java based high level API which aims to simplify PDF data extraction.

Generate massive amounts of fake (but realistic) data for testing and development in the browser and node.js

a scalable synthetic data generation platform focused on automated data creation for complex test scenarios.