AntiChess: An anti chess game written in Java. It supports 2 player and 4 player games on the same board. [MIT License]
Double Choco Latte: Project to create a solution for managing some IT departments including software development and call center activity. It has a web interface and will also have a stand-alone Java client. [Open Source, GPL]
Free Referenda & Elections Electronically: Java system for providing secure, private and reliable ballots via the Internet. [Open Source, GPL]
HALLoGRAM: Catalogue commercial Java programs and training tools.
JabaDex: Cross-platform Personal Information Manager. [Open Source, BSD-like]
JabaMud Game Engine: A MUD engine with a 3D twist. [Open Source, MIT License]
Jafs: Directory of freeware and open source Java applications.
Java Archives: Free Java applications, applets, and beans archive.
JChessBoard: Chess game, user against computer or user against other human via the Internet; Java 1.2 required. [Freeware, GPL]
JCye: Cye robot controller software. [Freeware]
Jeppers: A full featured web-based spreadsheet editor written in Java. It also provides an grid component that can be used in Swing applications. [Open source, GPL]
Jess: A Java Expert System Shell and scripting environment. [Commercial]
JHDL: A set of FPGA CAD tools developed at Brigham Young University's Configurable Computing Laboratory that allows the user to design the structure and layout of a circuit, debug the circuit in simulation, netlist and interface for bit-stream synthesis. [Open source]
JSpeechLib: Speech synthesis library. [LGPL]
jTedley software: Free and open-source Java desktop tools games and other applications, including mAS (mp3AutoSlideshow), jTFlashManager, jTSweep minesweeper game, jTConcentrate game.
Linux-Kontor: Free business management software. Despite the name, this is written in Java and will run on any Java virtual machine. [Open Source, LGPL]
m-e-c eagle: JAVA XML B2B integration software. Features a Swing-based GUI, converters for EDI to XML, XML to XML and XML to EDI, client-server architecture. All EDI standards are supported: EDIFACT, ANSI X.12, SAP IDOC, XCBL, RosettaNet, Biztalk. Supported protocols: SMTP, FTP, HTTP(S), PGP/MIME. [Open Source, Mozilla Public License]
MindRaider: A Semantic Web outliner/cognition organizer/mind mapper and RDF browser/editor. [Open source, GPL]
PacDasher: Pac-Man clone. Includes original mazes and lets create custom mazes with XML. Requires Java 1.4.
Pokermi: Free Java game to play Poker and Big2 against your computer or others over the Internet.
PowerTier 6 for J2EE: Persistence Software's J2EE compliant EJB development toolset and application server [Commercial].
Saffron Document Server: An all-Java, high concurrency Postscript interpreter and family of output modules. It generates PDF, HTML, RTF, TIFF and other file formats.
Sharp Tools Software's Spreadsheet: 100% Java and Excel compatible.
ThinkFree Office: Java-based word processor, spreadsheet, presentation package that offers Microsoft Office compatibility.
VisualVersion: BusyTime time management application, and BackupSW practical file backup solution. [Commercial]
WeirdX: An X Window System server in pure Java. [Open source, GPL]