Jamama is a Java Managed Mail Server. The functionality is inspired by
the excellent excellent mail server Exim, but takes advantage of several
Java features for runtime configuration and pluggability.
Jrar is a fast and effective frontend to the RAR and UNRAR programs. Programmed completely in Java it will be able to work on any computer that has a port of the Java2 runtime and the (UN)RAR programs.
Crystal Installer is a free, handy Java program (based on InstallGuru) made to help you deploy your software. It creates an executable jar file. This installer can run on any operating system with a JavaRuntime Environment (JRE).
A runtime inspection/scripting environment. Smalltalk-like Swing GUI for scripting engines and object inspection. Works on remote containers (EJB/Servlets) and of course locally. General BSF supported, comes with the Lisp-syntaxed language piji.
GRIDS (The Generic Runtime Infrastructure for Distributed Simulation) represents middleware to support the interoperability of distributed simulations using component services known as Thin Agents.
A facility to keep a history of context information during runtime and then dumping it in a separate file when a problem occurs (similar to core dump).
The iChilli mobile J2EE platform provides a J2EE compliant runtime environment for both server and mobile platforms, such as J2ME, MIDP or other CLDC based devices. For example iChilli runs on the PersonalJava enabled Sharp Zaurus and Compaq's iPAQ.
C.O.R.E. - Common Object Runtime Environment
A foundation for multi-node projects, language independent.
Provides central point for storing/retrieving configuration data for all components of project, centralized logging service, NLS service...
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Nano Servlet Engine is a really small-sized HTTP server (with Java Servlets(TM) support in the future). Due to its size (100kb) it's possible to use it on mobile devices with a Javaruntime environment.
JRiva is a J2EE (TM) Runtime Implementation Via Aspectj (www.aspectj.org). This project provides a set of classes and aspects which work together to "mimick" an EJB runtime environment.
A Java class library for logging, tracing, warnings, errors, asserts, etc with runtime configurable formatting and event filtering. This project is no longer maintained.