Serenedb

ClickHouse is a real-time analytics database management system

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries.

https://github.com/Shannon-Data/ShannonBase

The fully open-source DuckDB workbench that runs in your browser. SQL editor, notebooks, charts, AI assistant.

A fast, native, keyboard-driven database client for macOS. 20 databases, an AI assistant that shows its work, free and open source.

The open and composable observability and data visualization platform.