Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
A self-hosted address and synthetic test-profile generator for 27 countries and regions, built from real open-data streets, administrative areas, coordinates, and postcodes. Supports multilingual output, IP-nearby generation, map previews, and API access. 基于真实开放数据的自托管地址与合成测试资料生成器，覆盖 27 个国家和地区，支持多语言地址、IP 附近生成、地图预览与 API 调用
Generate mocker services automatically through Swagger or OpenAPI.
Data Loss Prevention (DLP) Sample Data Files
Smock-it is a CLI plugin for generating synthetic test data in Salesforce, helping SF devs, QAs, and admins create realistic data without using live customer info—boosting efficiency and privacy.
Generate mock data from yaml configuration.
A CLI utility to generate arbitrarily large realistic mock data sets
mocking-bird provides a set of simple, yet accurate and context-aware fixture generation tools for schema or database models. Currently mongoose and graphql fixture generation is supported
Analysis pipeline capable of searching for dark compact objects in the Milky Way through astrometric lensing in real or mock Gaia DR4 data.
Fill the c# class by random data.
A powerful and lightweight npm package for working with structured blog post data, featuring 200+ dummy posts out of the box. Includes built-in pagination, categorization, fuzzy search, and full TypeScript support. Perfect for static blogs, CMS backends, or frontend demos.
A free and open source api for devs to get data of their given schema. it helps to make development faster without the headache of data collection.
Type-safe data validation and mocking for Python dataclasses and Pydantic models
Generates mock data for fixed file format
Free Open Source Mock Data Generator - A powerful desktop application and REST API for generating realistic fake data, test data, and sample data for testing, development, and prototyping.
FastAPI service for generating realistic mock data with chaos injection for pipeline testing
Express Mock API Server
The free, open-source, self-hostable alternative to Mockaroo for generating realistic synthetic data.
A powerful and flexible tool designed to generate mock data for GraphQL schemas.
pseudo_big_data is a Python package that generates mock-up datasets for various data types and sizes for testing and development purposes.
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