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Latest revision as of 21:57, 3 March 2026

Hotline Protocol

Core Documentation

Technical Specifications

Binary & Data

External Networking

Assets

Ecosystem & Derivative Protocols

While the Hotline 1.9 Standard is the primary focus of this wiki, several related projects and "forked" protocols exist. Understanding these is essential for cross-client compatibility.

Official & Extended Hotline Specs

These resources cover the official Hotsprings releases and the community-driven extensions that kept the protocol alive.

Hotsprings Protocol – The finalized Hotline 1.9.x specification.
Hotline 1.5 Specification – The legacy foundation used by older clients.
DateParameters – Technical breakdown of how Hotline handles 68k-era timestamps.
Unofficial_Protocol_Extensions – Specs for HOPE and other modern community enhancements.

Branch Protocols (Non-Compatible)

During the "Hotline Wars" of the early 2000s, several developers built alternative systems. While they share "Hotline DNA," they are generally not protocol-compatible with standard Hotline servers.

Haxial KDX

KDX was a major successor that added encryption and a more modern UI, though it moved away from the open Hotline standard.

KDX_Protocol – The encrypted successor specification.

Carracho

A Mac-centric alternative that gained massive popularity for its refined UI and improved stability over the original 1.5 codebase.

Carracho protocol – Detailed spec for Carracho-specific transactions.

Abandoned & Historical Projects

AppWarrior – Information on the early alternative Hotline client development.

@@ Line 1: / Line 1: @@
 {{HotlineNav}}
-Below, you can find some resources to contribute to Hotline development, as well as information pertaining to non-compatible derivatives.
+== Ecosystem & Derivative Protocols ==
+While the [[HL Protocol|Hotline 1.9 Standard]] is the primary focus of this wiki, several related projects and "forked" protocols exist. Understanding these is essential for cross-client compatibility.
-== Hotline projects and information ==
+=== Official & Extended Hotline Specs ===
-* [[Hotsprings Protocol|Hotline 1.9.x Protocol(Hotsprings Protocol)]]
+These resources cover the official Hotsprings releases and the community-driven extensions that kept the protocol alive.
+* [[Hotsprings Protocol]] – The finalized Hotline 1.9.x specification.
+* [[Protocol|Hotline 1.5 Specification]] – The legacy foundation used by older clients.
+* [[DateParameters]] – Technical breakdown of how Hotline handles 68k-era timestamps.
+* [[Unofficial_Protocol_Extensions]] – Specs for '''HOPE''' and other modern community enhancements.
-* [[Protocol|Hotline protocol specification 1.5]]
+=== Branch Protocols (Non-Compatible) ===
-* [[DateParameters|Date parameter specification]]
+During the "Hotline Wars" of the early 2000s, several developers built alternative systems. While they share "Hotline DNA," they are generally not protocol-compatible with standard Hotline servers.
-* [[Unofficial_Protocol_Extensions|Unofficial extensions specs (HOPE, etc)]]
-* [[AppWarrior]]
-== Haxial KDX projects and information ==
+==== Haxial KDX ====
+KDX was a major successor that added encryption and a more modern UI, though it moved away from the open Hotline standard.
+* [[KDX_Protocol]] – The encrypted successor specification.
-* [[KDX_Protocol|KDX protocol]] specification
+==== Carracho ====
+A Mac-centric alternative that gained massive popularity for its refined UI and improved stability over the original 1.5 codebase.
+* [[Carracho protocol]] – Detailed spec for Carracho-specific transactions.
-== Carracho projects and information ==
+=== Abandoned & Historical Projects ===
+* [[AppWarrior]] – Information on the early alternative Hotline client development.
-* [[Carracho protocol]] specification
+[[Category:Hotline]]
+[[Category:Development]]