Web Directory

» DefBot
   A very customizable automated Hotline client for server administration and user moderation.
   http://www.s-and-m-software.com/

» Fidelio
   Open source GNU/Linux client that supports most of the latest Hotline features.
   http://fidelio.sourceforge.net/

» GtkHX
   A Hotline client written for Unix/Linux-like operating systems. It employs the Gtk+ environment for the front-end and utilizes a back-end based on the HX project.
   http://gtkhx.sourceforge.net

» HotPants
   Open source Hotline 1.2.3-compatible client for Macintosh OS X.
   http://homepage.mac.com/haveblue/hotpants/

» Hotline Client How-To Guide
   Offers an explanation of the way the official client works, also includes a FAQ on connection errors and navigation tips. Apparently no longer maintained but still of interest.
   http://www.hl123.com/hotline/

» Monica
   A shareware Macintosh download utility for the automated downloading of files from the Internet using popular file transfer protocols, including the Hotline protocol.
   http://www.blackdiamond.co.za/bdmonica.html

» SilverWing
   A Hotline client for BeOS. A version is available for the x86 hardware platform as well as PPC.
   http://hp.vector.co.jp/authors/VA013465/silverwing-beos/

» Underline
   A variant of the OpenLine client for MacOS and Windows that supports blowfish encryption. Licensed under GNU GPL.
   http://www.hyperspasm.com/underline/