Synthetic Dataset Python Packages

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

afterimage

Generate conversational, tool-calling, structured-output, and preference datasets — easily and at scale

sysgen

SynGen is a tool that creates high-quality synthetic datasets using the Gemini API. It analyzes Markdown documents to generate realistic and diverse examples for machine learning, software testing, and data analysis.