Jukebox is a collection of reusable components that allow you to create a flexible server-side and middleware framework. It features semaphores and services (not quite your usual set), a Finite State Machine implementation based on Generics, a Datastream framework (data producers, consumers and loggers), and a JDK 1.6 compliant JMX framework based on Annotations.
JRecord allows you to read legacy, fixed width, and delimited flat files in Java. Files are interpreted via a Record-Layout (file description), which can be COBOL, XML, or CSV. The package provides an editor to edit files using the record layout, a wizard to build XML layouts from a files contents, and a formatted file compare that uses the layout in the compare process.
EasyGIS is a simple way to share and publish geographic data. It presents a number of core features that allow you to share and publish geographic localized data sets on the Web. It has a simple Web user interface for integration with external data and service providers to prepare so-called GIS mashups. Built-in support for Google Maps and OpenStreetMap serves as a good basement for thematic mapping. All system services are exposed via a RESTful API. With the REST Web resources, external clients can leverage the search and map rendering functionality, embedding the resources into external applications and sites.
JCrocus is a GUI that allows representing the network topology definition of microwave cavity filters based on the coupling matrix approach as well as simulating and plotting its frequency response. It is a software tool for electromagnetic engineers; it is also a pedagogic instrument for professors and students in electromagnetic engineering to teach and learn the theory behind the microwave cavity filters.
Perfmon4j is a suite of performance monitoring tools that are intended to be used to diagnose performance bottlenecks and monitor throughput and response time in production Java applications. Its main features include servlet response time monitoring, detailed thread trace sampling, Java instrumentation that enables Package, Class, and Method monitoring without code modification, snapshot monitoring of system metrics including Garbage Collection, Memory Pools, etc., an API for applying additional monitoring points via method annotations or in-line timers, and support for dynamically enabling monitors in running applications.
Regular Expression Builder for Java (reb4j) is a simple set of classes that encapsulates the regular expressions used by java.util.regex.Pattern and provides facilities for composing larger expressions from sub-expressions. It effectively provides a way to build regular expressions without the risk of encountering PatternSyntaxExceptions at runtime.