Osquery

pg_activity is a top like application for PostgreSQL server activity monitoring.

DuckDB is an analytical in-process SQL database management system

A time-series database for high-performance real-time analytics packaged as a Postgres extension

SQL reporting that Just Works. Fast, simple, and confusion-free. Write and share queries in a delightful SQL editor, with AI assistance.

WebAssembly version of DuckDB

A modern, scalable analytics system