GMUVE (Graphical Multiuser Virtual Environment) is an engine/framework that lets large numbers of users interact in a 3D world. GMUVE is a peer to peer networked OpenGL application that can be used for MMPOG or 3D chat. It is available in Python and JAVA
SPECTRE: the Simple, Progressive, Easily Customizable, Tricked-out RPG Engine! SPECTRE is a collection of easily implemented classes which are intended to eventually form the basis for a complete 2D game engine.
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A simple HTTP-based server providing a language-agnostic interface to the Batik SVG rasterizing engine. By daemonizing the task, the overhead of the JVM is much less of an issue and much better performance is attained.
graphite: a portable graphics library, written in Java, JOGL and Postscript that allows rapid generation of high-quality graphs using an efficient, compact Java engine.
r42 is a raytracer written in Java. The core rendering engine is OS independend. Planned is a graphical user interface based on the eclipse RCP and the Java3D framework and distributed rendering support.
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Joctree is a real-time graphics engine for Java. The engine supports scene-optimization via octrees, and will support basic model and animation formats (Wavefront/Obj and Quake/MD2).
OpenMind is a scene graph written ont top of OpenGL for Java. It already features hierarchical scene managment and object transform, full dynamic cameras, lights and fog, 2D UI elements scenegraph managment, 2D and 3D mouse picking, and more...
QRay is an interactive 3D modelling system in Java. It's built-in real-time raytracing engine implements the Quadric-CSG representation model and the Seed-Fill optimization method, which empower QRay to provide cool WYSIWYG 3D modelling functionalities.
CSJB (Crystal Space Java Binding) is a package of java classes, that can interface with the Crystal Space 3D engine, via Java's Java Native Interface (JNI).
XMUD is a MMORPG implementation in Java. Players can extend the system by creating new objects. The game provides a 3D engine written in Java3D, Persistent state management, synchronization and networking subsystems. Compatible with NWN modules.
Generates any PDF/TXT report without any headaches with a new geneartion report rendering engine. Merging two XML files (report layout XML, data XML) by this tool to give you any reports you want.
J3DME provides fast simple 3D rendering capabilities for small devices running Java. The engine will support wireframe and surface renderer. Supported UI rendering architectures are MIDP(J2ME), WABA, AWT and KJAVA.
Powerful platform for creating networked multiplayer 3D games. The system includes specifications for a client engine and 2 protocols. Demo apps: mud/moo proxy, tetris. Currently uses OpenGL, VRML, java, tcl. Client/server architecture for security.
Tom's Javascript Animation Engine is a javascript engine that handles ascii animation.
It is meant to be easy-to-use for the non-programmer, and likewise quite hackable for the entry-level programmer.
CAVOR is an engine for building apps that involve both graphic and text/numeric data. Primarily GIS is the initial focus, but consider also CAD, CASE, project management (eg PERT charts), and others. Built-in scripting, C API, also supports Tcl and Java.