Top 20 NuGet NOSQL Packages

The ADO.NET Driver for NuoDB® enables you to develop .NET applications that connect to the NuoDB database. It is a fully managed ADO.NET driver, written in C# for .NET 3.5, implements all the required ADO.NET interfaces and integrates with ADO.NET aware tools.
Unofficial fork of the Mongo C# Driver v1.8.1 that supports loosely typed linq queries and explicit boolean comparisons against method call expressions
Silent utilities to make the official MongoDB driver feel natural to work with in F#
pogo lets you save .NET POCOs (plain old CLR objects) directly to the Google Cloud Datastore and use LINQ to query.
Interfaces for cassandra-sharp
Tools for cassandra-sharp-interfaces
BinaryRage - the ultra fast .NET key/value store. - BinaryRage is designed to be a lightweight ultra fast key/value store for .NET with no dependencies - It's production-ready - already in several large production-environments - Supports complex objects out of the box (and lists of objects) - 100% ...