The Hotline protocol is an application-layer Internet protocol that allows for community-based chatting, instant messaging, file sharing, and threaded textual submissions.
A web site that offers an up-to-date list of Hotline trackers with their status and the number of servers they are tracking, a hotline server description search engine and a hotline file search engine. http://hotline.tracker-tracker.com/
Protocol that extends the original Hotline protocol, resulting in new features like peer-to-peer file sharing and full user icon arbitration without sacrificing backwards compatibility. http://www.avaraline.net/
