Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server
MobilityDB is a geospatial trajectory data management & analysis
An in-memory database that persists on disk
One advanced and mature open-source MPP
A modular geospatial engine written in JavaScript
DBMS supporting graph, document, full-text and geospatial models
Toolkit for working with and mapping geospatial data
In-memory NoSQL database with ACID transactions, Raft consensus, etc.
Interactive geospatial directory
OSGeo project deegree