Top 20 NuGet NOSQL Packages

Volante is a free, small, fast, object-oriented, NoSQL, embeddable database for .NET.
db4o is an .NET embedded object oriented database aimed to simplify object storage / query / retrieval with minimal. this is GPL .netstandard2.0 version
Provides an API for working with MarkLogic Data Services.
A CLI tool for supporting projects using the MarkLogic .NET Client Library.
A simpler way to use LiteDB.
A portable NoSql database for .NET applications with a single table per file. The field types are native CLR types, and arrays of the same, eg: Int32, Boolean, Byte[]. Multiple databases can be joined using LINQ.
.NET Standard 2.0 version of ServiceStack.Redis
Geev.MongoDB
C# Redis Client for the worlds fastest distributed NoSQL datastore. Byte[], String and POCO Typed clients. Thread-Safe Basic and Pooled client managers included.
A fork of the Couchbase Lite 1.4 (https://github.com/couchbase/couchbase-lite-net) modified for use with Xamarin and PredixSDK
A .NET core 2.2 fork of CSRedis.
This package provides an alternative to creating unique constraints in RavenDb
Logary is a high performance, multi-target logging, metric and health-check library for mono and .Net.
Logary is a high performance, multi-target logging, metric and health-check library for mono and .Net.
Local database for .NET