Cloudflare D1
Serverless SQLite
SQLite databases that run alongside Cloudflare Workers on the free Workers plan.
- Databases
- 10
- Storage
- 5 GB total
- Row reads
- 5M / day
The catch: Only 100,000 row writes per day, which resets daily.
Managed MongoDB · Backend & Databases
Hosted MongoDB with a free shared cluster that has no end date.
Checked against MongoDB Atlas's official pages on 1 Nov 2026. Free tiers change, so confirm before you commit.
One free 512 MB cluster per project, with shared CPU/RAM, up to 500 connections and daily backups.
| Limit | Free plan |
|---|---|
| Storage | 512 MB |
| Throughput | Up to 100 ops/sec |
| Connections | 500 |
| Data transfer | 10 GB in + 10 GB out per 7 days |
| Clusters | 1 free per project |
512 MB fills quickly, and there is a 100 ops/sec cap.
Sign up at mongodb.com/atlas
Create a Free cluster and pick a cloud and region
Add a database user and allow your IP
Copy the connection string
Connect with your driver or Compass
One free 512 MB cluster per project, with shared CPU/RAM, up to 500 connections and daily backups. Free plan ends: Never.
No, you can sign up for MongoDB Atlas's free plan without a card.
512 MB fills quickly, and there is a 100 ops/sec cap.
Cloudflare D1, Firebase (Spark plan), Turso. Compare their limits on this page or open each one for details.
Serverless SQLite
SQLite databases that run alongside Cloudflare Workers on the free Workers plan.
The catch: Only 100,000 row writes per day, which resets daily.
BaaS + hosting
Google's app backend: static hosting, auth and Firestore on the free Spark plan.
The catch: Cloud Functions, App Hosting and (for new projects) Cloud Storage need the pay-as-you-go Blaze plan.
Edge SQLite
Hosted SQLite (libSQL) with many small databases and edge replicas.
The catch: Only one day of point-in-time restore on the free plan.
Serverless Redis
Serverless Redis you call over HTTP, priced per request.
The catch: 500K commands a month runs out fast if you poll or cache every request.
Serverless Postgres
Serverless Postgres with branching that scales to zero when unused.
The catch: Only 1 GB of storage per project.
Postgres BaaS
Open-source backend built on Postgres, with auth, storage and edge functions.
The catch: Free projects pause after a week without activity.
Check a name, set up DNS and test the site once it is live. All free, in the browser.
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