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Fireproof
Embedded JS document database using content-addressed, encrypted Merkle-CRDT ledgers that sync via commodity storage connectors.
fireproof.storageunclear
Last npm release 0.24.19 on 2026-04-15; main branch quiet since; 'Fireproof Cloud coming soon' still on homepage; team focus appears to be AI 'vibe coding' use (checked 2026-10-25)
In Local-first
Where it stands apart
- Is it actively maintained? maintenance or slowing (10% of 21 others)
- Is end-to-end encryption built in? yes, by default (10% of 20 others)
- Which platforms are first-class? JavaScript on web and server only (19% of 21 others)
What it shares with most of the community
- How is the main thing licensed? permissive open source (MIT/Apache/BSD) (67% of 21 others)
- How is it mainly sustained? company with a paid product, tier, or ads (62% of 21 others)
- Can it run entirely on your own device or infrastructure, without the maker's servers? yes (81% of 21 others)
- Do you need an account to use it? no account (71% of 21 others)
- Who is it for? developers (90% of 21 others)
- Which shared standard or format does it mainly build on? none of these (its own format or interface) (52% of 21 others)
- Does an app built on it keep working fully offline, for both reads and writes? yes, full offline reads and writes (86% of 21 others)
- What does it need to sync between devices? (first that applies) a sync server or relay (yours or hosted) (52% of 21 others)
- If the company behind it disappeared, would apps keep working? yes (81% of 21 others)
Nearest neighbors
- Replicache 67% of 18 shared answers match
- Loro 61% of 18 shared answers match
- PouchDB / CouchDB 61% of 18 shared answers match
Every answer
| Question | Answer | Source |
|---|---|---|
| Is it actively maintained? | stands apart maintenance or slowing Last commit and npm release 2026-04-15, about six months ago; no releases since. | source 2026-10-26 |
| How is the main thing licensed? | permissive open source (MIT/Apache/BSD) v4: from the map's own 'license' question. Apache-2.0 (repo) | source 2026-10-25 |
| How is it mainly sustained? | company with a paid product, tier, or ads v4: from the map's own 'business' question. Startup; hosted Fireproof Cloud announced 'coming soon' | source 2026-10-25 |
| Can it run entirely on your own device or infrastructure, without the maker's servers? | yes v4: from the map's own 'self_host' question. Open-source connectors to your own storage | source 2026-10-25 |
| Do you need an account to use it? | no account Zero setup, runs in browser; hosted Fireproof Cloud still "coming soon". | source 2026-10-26 |
| Who is it for? | developers v4: from the map's own 'audience' question. Marketed for AI-generated apps | source 2026-10-25 |
| Which shared standard or format does it mainly build on? | none of these (its own format or interface) Own Merkle-CRDT ledger. | source 2026-10-26 |
| Does an app built on it keep working fully offline, for both reads and writes? | yes, full offline reads and writes | source 2026-10-25 |
| What does it need to sync between devices? (first that applies) | a sync server or relay (yours or hosted) Local-only works; sync needs a storage connector (S3/Cloudflare/Netlify/PartyKit) or Fireproof Cloud | source 2026-10-25 |
| If the company behind it disappeared, would apps keep working? | yes Data is local and in your storage | source 2026-10-25 |
| Is end-to-end encryption built in? | stands apart yes, by default Data replicated as encrypted content-addressed blobs | source 2026-10-25 |
| What shape of data does your app read and write? | JSON-like documents Documents in a Merkle-clock CRDT ledger | source 2026-10-25 |
| How are concurrent edits resolved? (first that applies) | merged automatically, keeping both edits where possible (CRDT text, lists, maps) | source 2026-10-25 |
| Where does synced data live on the server side? | nowhere it manages (peers, or plain files and object storage) Syncs blobs to object storage, no DB | source 2026-10-25 |
| Where does it keep data on the client by default, on its main platform? | IndexedDB or other browser storage IndexedDB in browser; file storage in Node/Deno | source 2026-10-25 |
| How much data syncs to each client? | whichever documents or stores the app opens Per ledger (database) | source 2026-10-25 |
| Which platforms are first-class? | stands apart JavaScript on web and server only Browser, Node, Deno, Bun | source 2026-10-25 |
| Are auth and permissions built in? | partly or via hooks Cloud dashboard/auth; connectors otherwise BYO | source 2026-10-25 |
Sources
This page was derived from:
- GitHub · github.com/fireproof-storage/fireproof · read 2026-10-25
- Web page · fireproof.storage · read 2026-10-25
- Web page · fireproof.storage/ · read 2026-10-25
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