Couple open-sources Enfold, a privacy-first baby health tracker built by a developer and neonatologist

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A software developer and his wife, a neonatologist, built Enfold after failing to find a baby tracking app free of ads, analytics, and paywalled safety content. The app, now fully open-sourced on GitHub, stores data locally on-device by default and uses no ad or analytics SDKs, allowing anyone to verify its privacy claims directly in the code. The project is licensed under AGPL-3.0, with additional terms requiring app store forks to be rebranded to avoid confusing parents, while medical learn cards are released under CC BY-NC-ND 4.0 to ensure cited, clinician-reviewed guidance is not remixed without oversight. Built with Flutter, FastAPI, and Postgres, the app currently supports English, is live on the Apple App Store, and is pending Google Play approval. The developers say Enfold is free and will remain free, with Romanian translation and physician sign-off for all health cards listed as near-term priorities.

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