Top 20 NuGet db Packages

Basic functionality for database-related testing
Support library for fluent migrations
This package builds on the DataStax C# Driver for Apache Cassandra, adding functionality for interacting with DataStax Graph features using Apache TinkerPop Gremlin.Net.
Ever wanted to use a flat-file NOSQL database? Here you'll find a repository-pattern-like IOC-ready set of tools, (among others), to give you this esoteric functionality
Component for easy access to Oracle database. Receives data into DataSet, DataTable or DataRow objects
This is a .NET Framework 4.8 (or later) compatible implementation of Oracle Coherence .NET Extend Client. For .NET Core 6 compatible implementation, see https://www.nuget.org/packages/Coherence.Core/.
Simple Lightweight Data Searching Library. SLiDS can be used for quick access to data. Data can be placed in an SQL database or memory (Runtime). It is also possible to cache data from an SQL database in memory.
Query builder for the Cassandra database
XGENO.DBHelpers is a simple, easy-to-use and powerful OR Mapper for your database queries. It is set of extension methods (on the SQL Connection), which execute a SQL query (simple, parameterized, stored procs etc.) and return the data as a list of .NET objects (POCO classes that you have created). ...
SQLite-specific database functionality
SQL Server-specific database functionality
MySQL-specific database functionality
PostgreSQL-specific database functionality
Provides common types for persisting domain objects to DocumentDB.
Business Logic Toolkit is a set of components to simplify .NET application development.
Database migrations for .NET. Based on the idea of Rails ActiveRecord Migrations.
SisoDb is a schemaless document-oriented provider for SQL-Server. Using JSON and key-value storage, it lets you persist object graphs without specifying any mappings or extending any base classes interfaces etc. It lets you perform queries against SQL-server, using lambda expressions. It syncs schem...
RabbitMQ appender for log4net
Hypertable for Objects (x86)
EasyDocDb - embedded nosql document persistance for .NET Core.