Client applications developed by Avaraline members for the Avaraline extensions to the Hotline protocol.

An extension for Mozilla-based browsers that allows the user to connect to Hotline servers and other similar Bulletin Board Systems.

A very customizable automated Hotline client for server administration and user moderation.

Linux/Unix client that supports most of the latest Hotline features.

Frogblast is a clone of the Hotline client software written exclusively for Macintosh OS X, using Apple's Cocoa APIs.

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.

Heidrun is a Hotline client for the Macintosh Operating System that is module-based, letting the end user decide by how the client will look/feel/work.

HotPants is a Hotline 1.2.3-compatible client for Macintosh OS X.

Project responsible for the hx (mhx) client and its graphical front-end, ghx.

A Java-based Hotline client.

Monica is a Macintosh download utility for the automated downloading of files from the Internet using popular file transfer protocols, including the Hotline protocol.

A commercial Hotline client for the Macintosh Operating System that sports unique system administration features and connection engineering.

Alternative Hotline client

A Hotline client for BeOS. A version is available for the x86 hardware platform as well as PPC.

A variant of the OpenLine client for MacOS and Windows that supports blowfish encryption.

A Macintosh Hotline client written in RealBASIC.