Neosync's anonymized-dev-data bet ended in a Grow Therapy acquisition

Neosync is an open-source data platform that anonymizes PII, generates synthetic data and subsets production databases for use in dev, staging and CI. Builders Evis and Nick launched it on Hacker News on 2024-05-22 with a simple diagnosis: teams test against seed scripts whose fake data never matches messy production, so features break in production and bugs cannot be reproduced locally — yet privacy and scale rules keep real data out of lower environments.

The bet was that anonymized, production-like data was the answer, and Neosync made it safe and convenient: data streams from a source database to one or more destinations while column-level transformers (40+ pre-built, or custom in JavaScript or via LLMs) anonymize PII or generate synthetic values; SQL filters subset rows, and referential integrity is preserved automatically. The launch post stressed that Neosync never stores the sensitive data it streams, and the MIT-licensed project runs on Docker Compose, bare metal or Kubernetes with a hosted free tier and managed in-VPC deployment.

The project accumulated 2,521 commits and reached 4.1k stars with 232 forks on GitHub. Per the repository disclaimer, Neosync was acquired by Grow Therapy; on 2025-08-30 the owner archived the repository, which is now read-only, and the README says it is no longer actively maintained. The reviewed sources disclose no deal terms, revenue or user numbers.