Synthetic Dataset Python Packages

afterimage

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

seedfaker

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

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.