Observed arrival · 2026-10-12

hidane: a Firestore emulator without Java

hidane.dev Visit website

Editorial interest 82/100 Selection signal · not a rating of the site

An early Rust-based replacement for the Cloud Firestore emulator, packaged as a single binary with installation options for several platforms.

Landing page captured for the 2026-10-12 issue.

For: Developers testing Firestore-dependent apps locally
Worth noticing: Its 17 recorded fixtures are replayed against the official emulator; published speed figures were measured on different machines.

Field notes

The compatibility table separates verified clients from transports that are served but have not yet been tested with a given client. The project says its parity suite records official-emulator answers and replays them, with 17 fixtures currently listed. Its installer checks the release against a SHA-256, and the page also points to build provenance and checksums. Security Rules are presented as a future v0.2 item, not a current feature.

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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