Avaraline Client List - Client applications developed by Avaraline members for the Avaraline extensions to the Hotline protocol.
BBSzilla - An extension for Mozilla-based browsers that allows the user to connect to Hotline servers and other similar Bulletin Board Systems.
DefBot - A very customizable automated Hotline client for server administration and user moderation.
Fidelio - Linux/Unix client that supports most of the latest Hotline features.
FidoNews - The weekly newsletter of Fidonet community.
Frogblast - Frogblast is a clone of the Hotline client software written exclusively for Macintosh OS X
GHX - A shareware Hotline client for linux/unix systems that uses the Gtk environment. This is not to be confused with the Gtk front-end for HotlineX with the same name.
Heidrun - Heidrun is a Hotline client for the Macintosh Operating System that is module-based
HotlineX - Project responsible for the hx (mhx) client and its graphical front-end
HotPants - HotPants is a Hotline 1.2.3-compatible client for Macintosh OS X.
inkSpot! - A Macintosh Hotline client written in RealBASIC.
Monica - Monica is a Macintosh download utility for the automated downloading of files from the Internet using popular file transfer protocols
Pitbull Pro - A commercial Hotline client for the Macintosh Operating System that sports unique system administration features and connection engineering.
Red Light: Variety Alpha - RLVA is a Java client for the Hotline protocol based off of the abandoned Red Light project.