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Scheme4j is a scheme interpreter written in java, with a nice GUI,
a complete on-line help facility and an integrated debugger.
At the moment Scheme4j is not a complete R5RS scheme standard
implementation, but we're working to make it R5RS compliant.
Outerp is a framework for interpreting text files that are grouped by indentation, like an outline, and invoking Java methods for each element. It is like XML without the tags and especially well-suited for configuration files and scripting languages.
JEC is a Java Expression Compiler library (a JAR) that allows bidirectional expression evaluation and assignation (like book.pages[selectedPage].text). It was designed for mapping HTTP parameters to class fields in the model for a Java web controller.
FlameCalc is an RPN caclulator by the good folks at the Flame Design Group. It is written in Java with the intent to remain GCJ compatible and eventually evolve into a useful RPN language. HTTP-loaded scripts and Java plugins are supported.
JEPLite is a light-weighted (re)implementation of the Java Expression Parser (jep.sourceforge.net). The intention is to strip some of its not-so-often-used features, and thus speeding the rest. Includes expression optimizer.
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.
A Java parametrization framework to permit software sefl-setup at runtime after parametrization resources modifications, use of diferents files format to specify parameters, and the possibility of defining parameters relations.
kissme is a free (GPLed) Java Virtual Machine. It is being developed on GNU/Linux and can run console java applications. kissme is to be used with the GNU Classpath java class library. kissme also provides support for orthogonally persistent java.
Introspect on running programme, view and alter object fields and methods. Edit the code of any method at runtime; apply the changes to any combination of objects, such as an array, or a complete class. Complete rewrite underway available Jan 2007.
JLisa, \"Java Lisp-based Intelligent Software Agents\", is based on Lisa, http://lisa.sourceforge.net/, a production rule system similar to Jess. It runs in java through ABL, armed-bear Lisp, http://www.armedbear.org.
kin is a set of libraries and tools supporting meta-programming for engineering and technical computing applications. This JVM version of kin has been superseded by the stand-alone version being developed at http://purl.org/net/kin.
HPL is a Hebrew Programming Language.
It\'s main goal is to expose children and non english speaker to the wonders of programming in a hope that once you\'ve mastered the basics, you are on the highway.
Cigol (logic, spelled backwards) is a deductive logic solver. It can be embedded inside a parent program or used from the command line. It has absolutely no relationship to Tom Mitchell's book on Machine Learning.
leJOSUnit is a port of the Java based JUnit framework for testing robotic programs with a very small footprint. leJOS is a Java based replacement firmware (OS) for the LEGO Mindstorms RCX brick that comes with Lego\'s Robotics Invention System.
The goal of VMKit is to create a body of code useful for creating and experimenting with virtual machines. The code will emphasize modularity, clarity, correctness, and portability in no particular order but all taking precedence over execution speed.
Decouple your GUI building code from the rest of your application. Using an XML description, the Java Gui Builder will build appropriate windows, controls and objects for later retrieval by the mainstream code.
Pynt is a next generation java build tool. It uses its own Python-like scripting language that is easier to read and less verbose than xml and is capable of running all Ant tasks.