Vaultbase · Office #54,884

What it is

Calls itself “backend”.

• Calls itself: backend

“Open-source backend in a single binary”

Where it puts itself

Rules out “multi-region”.

• Says it will not: multi-region

“Three things nothing else does at once.”

“If you need multi-region, use something else.”

What it costs

Monthly subscription. No free plan. Prices quoted: $5/mo.

• Monthly: yes
• Free plan: no
• Price: $5/mo

“$5/mo VPS”

“No plugins, no Pro tier.”

Who it sells to

Sells to developers. Built for small businesses and solo users.

• Sells to: developers
• Company size: small businesses · solo / indie

“Built for solo devs and small teams on one host.”

How it runs

A API for Linux, Windows and macOS. Runs locally and works offline. Can be self-hosted. Distributed through the npm. Offers an API. Open source. AI is a side feature.

• Kind: api
• Runs on: Linux · Windows · macOS
• Runs where: on the device, offline · self-hosted
• Distributed via: npm
• API: yes
• Open source: yes
• AI role: a side feature

“An open-source backend in one binary: collections with a REST API, auth, realtime, files, hooks, cron and queues edited live in the admin UI, and an MCP server for AI agents.”

“Built with bun build --compile for Linux, macOS and Windows.”

What it works with

Replaces Ably, Auth0, Clerk and 2 more. Built on Postgres and SQLite.

• Replaces: Ably · Auth0 · Clerk · +2
• Built on: Postgres · SQLite

“Pusher / Ably $49/mo”

“Auth0 / Clerk $23/mo”

What it offers as proof

Live, no waitlist. Claims “100,000-record”. Publishes docs and a blog.

• Number claimed: 100,000-record

“100,000-record collection”

“Docs -> https://docs.vaultbase.dev/”