DATABASE

PGSimCity is an explorable 3D city that models PostgreSQL internals - shared buffers, WAL, autovacuum, checkpoints, and replication. Built with three.js and TypeScript, it hit #1 on HN with 682 points.

SQLite's flexible typing lets you store anything anywhere. STRICT mode fixes that - here's why you should enable it for every new table.

Neon's branching model, serverless driver, and scale-to-zero autoscaling make it one of the most practical Postgres hosts for teams building AI agents and preview-heavy apps. Here is what you need to know before committing.

PgDog raised $5.5M to bring transparent Postgres sharding and connection pooling to any stack. Here is what it actually does, how it compares to PgBouncer and Citus, and the honest answer to whether you need it.

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.