AltarNet3 (nuget): AltarNet3 (or AN3 for short) is a library that facilitate the creation of TCP servers/clients, along with UDP. TCP connections can be secured via SSL, with only a few easy steps.  It comes with a powerful FTP manager, taking advantage of .NET 4.5's new asynchronous pattern (Async/Await), featuring cancellable requests and download/upload progress monitoring.  Also comes with a 'single instance' and a 'thread safety' helper.
Keywords: net|network|ssl|ftp|tcp|udp|single|unique|instance