Top 20 NuGet push Packages

Xamarin.Android Bindings for Baidu Push Notification - 6.5.0.75
indigitall Xamarin SDK - iOS Notification Service Extension
This is the binding library of JiGuang(極光) push notification for Xamarin Android
Unofficial Pusher Beams .NET Server SDK
Use this with Windows Azure Service Bus and Notification Hubs client registration (for Windows Store and Windows Phone 8 apps). It adds Microsoft.WindowsAzure.Messaging.Managed.dll to your project. This package is for developing Windows Store and Windows Phone 8 applications with C# (managed)
Net(C#) SDK for Baidu Push Service. 百度云推送.Net(C#) SDK.
百度云推送 服务端 (C#) SDK.
C# .Net library to simplify server-side calls to the Urban Airship API Version 3
Azure Notification Hub Helper
Unofficial .NET Client Library for PushBots
Instapush Rest API Unofficial .NET wrapper Client You can find open-source repository of this project on GitHub https://github.com/emregulcan/instapush.NET Your feedbacks are welcome to [email protected]
Chrome/Mozilla push notifications payload encryption for .NET
The complete solution of the Accengage sdk iOS and Android binded for xamarin
SDK to integrate with Pombo-Correio Service https://pombocorreio.stone.com.br/
An Azure Storage Queue wrapper that supports priorities and abstracts exponential backoff polling away with an event-driven interface
C# .NET Core library for interacting with Urban Airship API.
Push notification extensions for PubNub.Async
A .NET Core class library for accessing the Salesforce/ExactTarget Mobile Push service via REST API.
https://dev.mi.com/console/doc/detail?pId=40
PushSharp, but with Firebase, not GSM