Top 20 NuGet client Packages

Contains Resource Models exposed by a Service's Public API.
Plug-In containing client for invoking REST/HAL based Web API Services.
The embedded client API for Event Store. Get the open source or commercial versions of Event Store server from https://eventstore.org/
Async client for http://reportportal.io Web API
RavenDB Client is the client library for accessing RavenDB
OS33 client API interfaces
A client library for Analyze Re high performance analytics services
A testing framework for the Analyze Re Client Library
The client API for Event Store. Get the open source or commercial versions of Event Store server from https://eventstore.org/
A modern, feature-rich and highly tunable C# client library for Apache Cassandra and DataStax Enterprise
OS33 basic client API
OS33 API transport
An API Client for Recurly - Subscription billing automation.
Simple.OData.V3.Client is a multiplatform OData client library supporting .NET 4.x, .NET Standard, .NET Core, iOS and Android. The adapter provides a great alternative to WCF Data Services client. It does not require generation of context or entity classes and fits RESTful nature of OData services. ...
Library of components that facilitate remote interaction with a Windows Service from Console, Windows and Web applications.
A Kubernetes API client for .NET
RavenDB 'Unique Constraints' bundle client. Allow the user to implement unique constraints in the objects (useful for properties like email or social security number).
Library of components for managing standard and TLS asynchronous TCP/UDP/Multicast client/server connections, as well as serial and file-based communication in a client/server interface based abstraction layer.
Enferno Storm Commerce API Client library.
StackExchange.Redis.Extensions is a library that extends StackExchange.Redis allowing you a set of functionality needed by common applications. This implementation is based on MsgPack serializer.