Schema-free, document-oriented streaming database that optimized for monitoring network traffic in real-time

klaf.js is a lightweight JavaScript library offering both a key-value store and document-oriented database with asynchronous operations.

Reindexer library for Rust

The Jazz Database which Stores Documents in Files and Supports Version Control and Sharing

Clorastore is the world's 2nd easiest document-oriented NoSQL database followed by the CloremDB for android. This is similar to Cloud firestore and MongoDB and is written in java

Likha is a very simple PHP 7 based blogging system.

A high-performance distributed document-oriented database implemented by Java

KiteDB - A fast, small, simple, scalable document-oriented database for NodeJS.

A lighweight document oriented database interface written in python

Document Oriented Database Built Using Python.

Fault-tolerant distributed cache

Using a MongoDB for storing the scraped data

A lightweight document-oriented database for Scala written in Scala 3

Document-based embeddable DB written in Dart, inspired by MongoDB