DATABASE

TypeScript ORM with a schema-first workflow. Prisma Client gives full type safety; Prisma Migrate handles migrations. Works with Postgres, MySQL, SQLite, MongoDB.

Serverless Postgres with branching. Free tier, instant database branches per PR, autoscaling compute, and scale-to-zero. Acquired by Databricks in 2025.

MySQL-compatible serverless database built on Vitess. Branching, non-blocking schema changes, and horizontal sharding. Reintroduced a hobby tier in 2025.

Open-source Firebase alternative built on Postgres. Auth, real-time subscriptions, storage, edge functions, and pgvector for AI embeddings. Generous free tier.

Reactive backend - database, server functions, real-time sync, cron jobs, file storage. All TypeScript. This site's backend (courses, videos, user data) runs on Convex.