Top 20 NuGet Database Packages

Enables NHibernate to batch commands when using MySQL
An SQL script code generator for NDBGen for use with SQL Server.
Functional wrapper around the RavenDB client API
Functional ADO.NET for F#
Business Logic Toolkit PostgreSql Data Provider for .NET
Business Logic Toolkit SqlCe Data Provider for .NET
Business Logic Toolkit SQLite Data Provider for .NET
Business Logic Toolkit Sybase Data Provider for .NET
Business Logic Toolkit DB2 Data Provider for .NET
Business Logic Toolkit Firebird Data Provider for .NET
Business Logic Toolkit Informix Data Provider for .NET
Business Logic Toolkit MySql Data Provider for .NET
Database migrations for .NET. Supported DBMS: MySQL 5.0 and later, Oracle 10g or later, SQLite 3 and later, MS SQL Server 2005 and later, MS SQL Server Ce 4, SQL Azure, PostgreSQL, Firebird 2.5 and later.
.NET client for Neo4j Graph Database
Allows for SQLinq to be more easily used with a little help from "Dapper dot net".
Unity integration for Logic Data Access
In Visual Studio, create new Console Application project and add this package. In the Program.Main() call Demo.Run() from NYurik.TimeSeriesDb.Samples namespace.
Prevalence library for .NET
Restful API wrapper for the GiantBomb games database public API