Generate a coherent, schema-aware seed database for local development and tests.
Snaplet Seed reads your database schema and generates realistic seed data that respects relationships, constraints and types, so every developer and every CI run starts from a coherent dataset. It is aimed at removing the shared-database problem in local development.
Best for
Free and open source
Open sourceFree tier: Everything, self-hosted
What drives the bill: The Seed library is open source and free; note that Snaplet wound down its hosted product, so treat this as a library rather than a service.
Check current pricing on Snaplet’s siteFigures are indicative and were last reviewed August 2026. Vendors change pricing often; confirm before you commit.
No reviews of Snaplet Seed yet. If you have used it in anger, yours would be the first.
If Snaplet Seed is not the right fit, these solve the same problem differently.
Test Data & Mocks
Generate realistic names, addresses, dates and text for fixtures, in any language.
Test Data & Mocks
Open-source data anonymisation and synthetic-data generation you can self-host.
Test Data & Mocks
Real databases and services in throwaway Docker containers, per test run.