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seedfaker

Deterministic synthetic data generator for realistic, correlated, and noisy test records across 68 locales. Rust CLI/Python/Node.js/Browser WASM/Go/PHP/Ruby/MCP

fabulist

"Generate random strings that make sense."

pyfake

A Flexible and Extensible fake data generator based on Pydantic models.

misata

Python synthetic data generator for realistic multi-table test data, database seeding, and scenario simulation

mostlyai-mock

Synthetic Mock Data 🔮

card-generator

Python library to generate and validate credit card numbers. Features a fast, offline BIN lookup using a local database. Zero dependencies, no API keys needed. Perfect for generating test data.

fakedata-python

The fakedata package generates realistic synthetic user profiles for machine learning, deep learning, data analysis, and data science workflows.

lsstdesc-gcr-catalogs

A Python module that provides a unified interface to access mock galaxy catalogs and more for the LSST DESC

pydni

Librería en Python para la validación y generación de documentos de identidad españoles (DNI, NIE, CIF, NIF), así como la creación de nombres y personas ficticias válidas para entornos de desarrollo, QA y pruebas automatizadas.

lokii

Generate, Load, Develop and Test with consistent relational datasets!

leblanc

leblanc is a modular Python library designed for the rapid generation of large-scale synthetic datasets across various business sectors. It is primarily built using Pandas, NumPy, and Faker to create realistic, structured DataFrames suitable for Data Science training, testing, and exploratory data analysis (EDA).

pirated-data

This package will gives you random data of user. It can be used for mock data and used for sample data.

cosmo-learn

Python code for learning cosmology using different methods and mock data

faker-geoscience

Faker addon with providers for everything Earth!