Neon Serverless Postgres
DatabasesFree plan available
3 similar tools you can use instead of Nile, with pricing and key features.
PostgreSQL re-engineered for multi-tenant apps

Neon Serverless Postgres
The database for developers
Serverless Data for Redis® and Kafka®
Nile is a Databases tool: PostgreSQL re-engineered for multi-tenant apps. It has a free plan. Key features include Tenant-aware architecture, Serverless compute & auto-scaling, AI-native tooling & integrations and Developer experience & templates.
Yes. Neon and Upstash have a free plan. Nile also has a free plan.
PlanetScale: From $5 / monthly.