DefBot - http://www.s-and-m-software.com/
A very customizable automated Hotline client for server administration and user moderation. |
Fidelio - http://fidelio.sourceforge.net/
Open source GNU/Linux client that supports most of the latest Hotline features. |
GtkHX - http://gtkhx.sourceforge.net
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. |
Hotline Client How-To Guide - http://www.hl123.com/hotline/
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 Apparently no longer maintained but still of interest. |
Hotline-Tools - http://www.hotline-tools.com/
Shareware Macintosh client and utilities for Hotline users. |
HotPants - http://homepage.mac.com/haveblue/hotpants/
Open source Hotline 1.2.3-compatible client for Macintosh OS X. |
JHL - http://jhl.johnl.org
A Java-based Hotline client. |
Monica - http://www.blackdiamond.co.za/bdmonica.html
A shareware Macintosh download utility for the automated downloading of files from the Internet using popular file transfer protocols, including the Hotline protocol. |
SilverWing - http://hp.vector.co.jp/authors/VA013465/silverwing-beos/
A Hotline client for BeOS. A version is available for the x86 hardware platform as well as PPC. |
Underline - http://www.hyperspasm.com/underline/
A variant of the OpenLine client for MacOS and Windows that supports blowfish encryption. Licensed under GNU GPL. |