Beautiful, Open Source & Real-Time Chat App With ASP.NET – JabbR
JabbR is one of those treasures, it is an open source ASP.NET app for real-time chats.
The app uses SignalR library for the communication and allows users to register/sign-in with their e-mails or via social auth (Facebook, Google, etc.).
Users can define an avatar for themselves and communicate in a chat room (multiple chat room support with a tabbed interface) or privately.
It can display inline content from multiple sources like YouTube, Vimeo, Twitter, imgur, Google Docs and much more.
There are multiple notification types so that you also keep up with the conversation (Chrome pop-ups, live Twitter mentions or audio).
JabbR support Emojis, has keyboard shortcuts and IRC-like commands. Also, it has a responsive layout.