exist

eXist-db is an open source software project for NoSQL databases built on XML technology. It is classified as both a NoSQL document-oriented database system and a native XML database.... Wikipedia

Original author(s): Wolfgang Meier
Developer(s): Pierrick Brihayne, Leif-Jöran Olsson, Adam Retter, Dmitriy Shabanov, and Dannes Wessels.
Initial release: 2000
Written in: Java
Operating system: Linux, Mac, Windows
Platform: Java
Type: NoSQL DBMS
License: GNU LGPL v2.1.
Standard(s): XML, XQuery, XSLT, XPath, XUpdate, XQJ, DTD, XML Schema, RelaxNG
Data source: DuckDuckGo