Databases & Storage
All figures and plan details below are as of 2026-04 (unless stated otherwise).
Supabase
Open-source Firebase alternative (Postgres + Auth + Storage + Edge Functions).
- Free plan includes 50,000 MAUs, 500 MB database size, 1 GB file storage, and 5 GB egress (2 active projects): Supabase pricing
Neon (Serverless Postgres)
Serverless Postgres with scale-to-zero.
- Free plan includes multiple projects with limited storage per project: Neon pricing.
- Great for branching and preview environments.
Turso (SQLite at the edge)
SQLite cloud designed for low-latency reads globally.
- Free plan available for edge and multi-tenant apps: Turso pricing.
MongoDB Atlas
Managed MongoDB with a true free shared tier.
- Free shared cluster (M0) for small apps and learning: MongoDB Atlas.
Upstash (Serverless Redis)
Serverless Redis-compatible DB with a solid free tier.
- Free tier includes 256 MB data size and 500K commands/month: Upstash Redis pricing & limits
CockroachDB (Serverless)
Distributed SQL database with a serverless option.
- Free serverless tier available (limits apply): CockroachDB pricing.