Top 20 NuGet server-sent Packages

Lib.AspNetCore.ServerSentEvents is a library which provides Server-Sent Events (SSE) support for ASP.NET Core
Server-Sent Events (SSE) client implementation for .net core and .net standard
Eventsource for .net. Makes it simple to receive Server-Sent Events (SSE) in managed applications.
Server-Sent Event implementation for ASP.NET WebApi.