Show HN: Open database of link metadata for large-scale analysis

I Replaced Redis with PostgreSQL (And It's Faster)

High performance, open source RAFT clustered database: RooDB

GraphQLite - Graph database capabilities inside SQLite using Cypher

I built a Redis-inspired in-memory database in C to understand WAL, crash recovery, and TTL — looking for feedback on design

Towards a Disaggregated Agent Filesystem on Object Storage

minikv: A little KV store implementation in OCaml to practice DB systems things

Sakila25: Updated Classic Sakila Database with 2025 Movies from TMDB – Now Supports Multiple DBs Including MongoDB

I made a small local-first embedded database in Python (hvpdb)

How do you think computer science would be different had relational databases not been invented?