Review of SignalR powered by the Slant community.
Allows using SignalR without the .NET platform, the implementation is not complete however.
.NET developers might be interested in using SignalR with ASP.NET Core:
(https://docs.microsoft.com/en-us/aspnet/core/tutorials/signalr?view=aspnetcore-2.1&tabs=visual-studio)
Ranked in these QuestionsQuestion Ranking
Pros
Pro Backwards compatibility
Falls back to long polling or other techniques in case websockets are not supported.
Pro Easy to use
Model is a lot simpler than in raw websocket io.