Title

JX Client

Project Summary

Java based, cross platform client for for the graphical, multiplayer adventure game Crossfire (https://crossfire.real-time.com). To use it, you need to install a Java Runtime-Environment v17.0 or newer. To build the client, you need Gradle and Java Development Kit v17 or higher.

Project Site

https://sourceforge.net/projects/crossfire/

Download

You can download prebuilt binaries from https://sourceforge.net/projects/crossfire/files/jxclient/

Running

Note: Gridarta needs Java to run. One of the multiple Java Run Time Environments ( OpenJDK, Oracle Java )needs to be installed to use Gridarta.

Do not extract or modify the .jar file, it is meant to stay as a .jar file format.

Further help and instructions for installing OpenJDK for numerous Linux distributions is available at https://wiki.cross-fire.org/jxclient-linux.

Linux

Make the file executable with the chmod +x jxclient.jar command.

Launch the editor using any of the following:

• Double click jxclient.jar
• Right click jxclient.jar and select which JRE you want to use to launch the application
• From the command line using java -jar jxclient.jar
• Or to launch the editor with more RAM (i.e., 512 Megabytes) allocated to it, java -jar -Xmx512m jxclient.jar

MacOS

Launch the editor using any of the following:

• Double click jxclient.jar
• Control+click (or right click) jxclient.jar and select which JRE (i.e., JavaLauncher) you want to use to launch the application
• From the command line or Terminal using java -jar jxclient.jar
• Or to launch the editor with more RAM (i.e., 512 Megabytes) allocated to it, java -jar -Xmx512m jxclient.jar

Windows

Launch the editor using any of the following:

• Double click jxclient.jar
• Right click jxclient.jar file and choose Open With > Java(TM) Platform SE Binary.

License

GNU General Public License version 2.0 (GPLv2)

Version

Snapshot release of the JX Client from 2026-June-09 using Git Rev 2e36e8e1

Remote URLs:

• origin https://git.code.sf.net/p/crossfire/jxclient (fetch)
• origin https://git.code.sf.net/p/crossfire/jxclient (push)

Remote Branches:

• origin/1.50
• origin/1.60
• origin/HEAD -> origin/master
• origin/master
• origin/swing
• origin/tags/1.50.0
• origin/tags/1.60.0

Local Branches:

master

Release File Info

• md5um = 249ccad5faa7613ddeb66e3c62ae70e9
• SHA1 hash sum = 87ad9e77417158e18e86644f18115445ceb43f99
• SHA256 hash sum = 40bbd80e02e93ee9216cbfc837876b65664a06bfcff2d4df4492a8d3e3aeb806

Build Dependencies

JX Client compiled with:

• gradle: 8.12
• JRE: openjdk-17-jdk-headless (17.0.19+10-1~deb12u2)
• JDK: openjdk-17-jdk-headless (17.0.19+10-1~deb12u2)

Changes with this Release

Recent Changes for this release:

2026-06-02 Andreas Kirschbaum

* Fix layout issue in metaserver screen

2026-05-31 Rick Tanner

* Update download file name and checksum used in the Gradle build file for the Windows Installer

2026-05-31 Andreas Kirschbaum

* Limit dialog sizes to the window size


* Persist dialog sizes only for user resizable dialogs


 * Properly resize non-user resizable dialogs to match the contents

Questions

For any questions or general inquiries on the game or server source code:

Email

• Mailing List

Project Ticket Systems

• SourceForge Ticket Tools
• Support Requests
• Patches
• Bugs
• Feature Requests

Online

• Discord invite link
• IRC at irc.libera.chat:6697 (TLS) or irc.libera.chat:6667 (plain text)

External Links

• Full ChangeLog: http://crossfire.real-time.com/git/crossfire-crossfire-jxclient/gitlog/index.html

• GitStats: http://crossfire.real-time.com/git/crossfire-jxclient/gitstats/index.html

• Doxygen: http://crossfire.real-time.com/code/jxclient/trunk/html/index.html

• JavaDoc: http://crossfire.real-time.com/code/javadocs/jxclient/index.html

• Crossfire JXClient Wiki page: https://wiki.cross-fire.org/jxclient

Social Media Links

• BlueSky
• Facebook
• Mastodon
• X (Formerly Twitter)