JSDAI is a toolkit around STEP or ISO 10303, the STandard for the Exchange of Product model data. It supports the Express data modelling language as defined in ISO 10303-11 and provides data exchange capabilities according to ISO 10303-21 STEP-file and ISO 10303-28 STEP-XML. JSDAI Runtime is an API according ISO 10303-22, the Standard Data Access Interface (SDAI) for the Java programming language, ISO 10303-27. JSDAI Developer is for the development of Express data models, including Express-G diagrams.
The Abacus Formula Compiler (AFC) compiles computations defined in spreadsheet files directly to Java byte code. Users can thus customize an application using Excel or OpenOffice Calc. AFC compiles against your own Java interfaces to obtain input values and compute output values (it essentially generates strategy implementations for you), and supports internal computations with either double or BigDecimal (for financial applications).
The Karmasphere DP language is a high-performance non-blocking parallel language for performing data processing. It is designed to give the user a high degree of control over the usage of system resources, such as how many CPU cores or how much disk I/O time to use, without requiring the software developer to explicitly consider these issues in code. The implementation is a stand-alone library that can be used in any Java 1.5 environment. It can take full advantage of multiprocessor (SMP or NUMA) systems, and may be scaled sideways: since the interpreter and environment are stateless, an entire cluster of machines may run the interpreter in parallel without any need for synchronization.
JCPP is a complete, compliant, standalone, pure Java implementation of the C preprocessor. It is intended to be of use to people writing C-style compilers in Java using tools like sablecc, antlr, JLex, CUP, and so forth. It has been used to successfully preprocess much of the source code of the GNU C library.
AutoAbacus is a powerful equation solving library that finds solutions to equation sets. Equations are passed to AutoAbacus as text, and the program attempts to find a solution that satisfies all constraints. The equations can be linear or polynomial, and can include arbitrary functions. By profiling the types of equations in the system and their dependencies on each other, AutoAbacus uses appropriate solution methods to solve individual subsets of equations. Applications range from use in a business rules engine to solving engineering equation systems.
jRate is an extension of the GNU GCJ compiler front-end and runtime system that adds support for most of the features required by the Real-Time Specification for Java (RTSJ), including threading constructs with real-time constraints, asynchronous event handling, and memory regions. It was initially developed at Washington University in St. Louis and is released under a license similar to GCC's GPL license that allows non-GPLed programs to be compiled and linked.
SNAP Platform is a development toolkit that packages into an easy to install solution the the Jikes Java compiler, the SableVM Java-like virtual machine and the GNU Classpath Java-like API, and the Eclipse universal tools platform, plus sample programs with source code and developer documentation.