Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

Practice with "Real" SQL Problems

JsQuery – json query language with GIN indexing support

Free universal database tool and SQL client

Percona Toolkit: a collection of advanced open source command-line tools.

Open source hot backup tool for InnoDB and XtraDB databases

A curated list of awesome MySQL software, libraries, tools and resources

MySQL replication topology management and HA

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.

Postgres Explain Visualizer 2

Scalable datastore for metrics, events, and real-time analytics

Graphs for Everyone