A domain-specific file system to store "materials" (screenshots, HTML, JSON, XML) collected during End-to-End testings using Selenium WebDriver etc. Features to make "diff" and compiling HTML reports are also included. This is written in pure Java8

NoSQL embedded document store for Java

Onex Object Network implementation: object graph API, persistence, notification, networking

NoSQL embedded document store for Flutter

An Objective-C persistance framework modeled on the Apple Newton API

Jease is a Java CMS framework based on Object Database

Smalltalk-80: home built engine

A language-neutral graph object database that addresses data conversion and over-fetching issues.

Clorem is a Fast, easy-2-use and robust No-SQL database for java applications in which data is stored directly as objects. This is the world's easiest database ever made in java and is similer to that of mongoDB realm.

ZooDB Object Database

NOT MAINTAINED – A small, simple and immutable ORM to manage relational data in your Redux store.

j3dog is a three-dimensional database solution for modern applications. It provides fault tolerance, distributed storage, and easy access to data.

UdSU course: Object DB

UserLand Frontier is a web application development platform that includes a scripting language, integrated object database, code editor, debugger, outliner, multi-threaded runtime and integrated HTTP server. It has been used as a weblog and website hosting service, local scripting environment and web services client and server.

Minimalist Object Persistence