Open Source Hotline
This page will contain links to any software for Hotline made open source. Separated into sections for Clients/Servers/Trackers. (I will also attempt to tag with language written in to make life easier),
Clients
Filetalk (Ruby) [Source] - Last Updated April 2010
Hotline (SwiftUI) [Source] - Updated regularly
Mobius (CLI) [Source] - Updated regularly
Fidelio (GTK+) [https://sourceforge.net/projects/fidelio/files/] - Abandoned, last updated in September 2002
Servers
Mobius (CLI) [Source] - Updated regularly
Trackers
Amoeba's HLtracker (CLI) (Ruby) [Source] - Abandoned, last updated in February 2020