Siaqodb is a NoSQL embedded object and document database engine that currently runs on .NET, WinRT, Mono, Windows Phone, Xamarin.iOS, Xamarin.Android, Silverlight, Unity3D and even on CompactFramework.
DocumentDB feature – a certain object graph may be stored as a Document
fully ASYNC API
small footprint, no extra dependencies
built-in or plug-able encryption support
SiaqodbManager – managed stored data, run ad-hoc LINQ queries
full LINQ provider
full POCO support
Portable Class Library support
partial object loading and eager loading
may store full object graphs, Arrays, Lists, Dictionaries, etc.
thread safe – full support for ASP.NET based apps