NDatabase is a simple .Net Object Database. To avoid impedance mismatch overhead between Object and Relational worlds, give a try to NDatabase. NDatabase is a new generation Object Database: a real native and transparent persistence layer for .Net. - Object because the basic persistent unit is an object, not a table. - Native and Transparent be... More information

db4o is an .NET embedded object oriented database aimed to simplify object storage / query / retrieval with minimal - if not zero - configuration.

Adds Client-Server features to db4o, allowing you to host or connect to a remote db4o instance.

Adds support for using Native Queries to your db4o-based project.

This package allows you to easily use multiple db4o "object databases" in your asp.net project. It also adds to your code a sample implementation that you can use directly.

Immutable Object Graph database for .NET has following goals: * enable native .NET objects to be stored anywhere * thread safe objects using isolated workspaces * multiple versions of the data * object database for embedded and medium scale systems * zero-configuration code first entity modelling * query through object navigation and LINQ Availab... More information

Easily save and load objects, full of managed code database, zero configuration, copy and run. your traditional experiences and skills still working on it. it is lightweight but full functional. Running as an embedded server like local database, also supports Remoting act as part of distributed system. for .Net and Windows Phone.

High performance and availability, scalable and very flexible pure .NET database. Using VelocityDB saves time and money for all software requiring reliable, high performance data persistence. The use of VelocityDB can be hidden from your application user's and doesn't require a team of database administrators (DBA's).

Commercial ACID Compliant Object Database for WinRT and Windows Phone 8. Features include LINQ index queries, lazy loading, paging, transactions, constraints, triggers, caching, BLOB, CLOB, Import XML, Export XML, Auto Identity Primary Keys, foreign key relationships, AES encryption, and MiniLZO compression.

Commercial ACID Compliant Object Database for .NET, Mono, Xamarin MonoDroid, MonoTouch, Silverlight and Windows Phone 7. Features include LINQ index queries, lazy loading, paging, transactions, constraints, triggers, caching, BLOB, CLOB, Auto Identity Primary Keys, foreign key relationships, AES encryption, and compression.

GitSharp is an implementation of Git for the Dot.Net Framework and Mono. It is aimed to be fully compatible to the original Git and shall be a light weight library for cool applications that are based on Git as their object database or are reading or manipulating repositories in some way.

Eloquera provides all the inherent advantages of an object database. Build and maintain your applications with unprecedented speed. Built on the .NET platform it uses LINQ and SQL interfaces. Performance is class leading and it is free to use. Eloquera Enterprise Database builds on and enhances the existing functionality. In particular it provides... More information

Virtual Object DataBase

Easy-as-pie embedded object database. Saves objects to json in App_Data https://github.com/mcintyre321/PieDb MIT Licence