SignalR is cool piece of tech that powers real-time communications and is one the latest additions to the ASP.NET Core family. Yes, SignalR is open source and enables two-way client-server RPC calls – across .NET and JavaScript. This means seamless real-time communications across web, desktop and mobile platforms. Let’s go under the covers to see how real-time communication works. With rich server-side Hubs, SignalR allows for granular communication and management of .NET, JS & other clients. SignalR easily powers common scenarios of web server backends and cross-platform mobile/desktop/web front ends. And modern SignalR has well thought out features – like streaming, configuration, MessagePack support and security considerations. Need scalable hosting or serverless real-time apps – Azure SignalR Service is here to help. Let’s explore SignalR and deep dive into what’s possible with real-time communications!