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Java based Smith chart program. Performs single-frequency and sweep charting with both Smitch charts and SWR/PWR curves. Does drag-and-drop schematic entry with direct entry of component values as well as "drag tuning". Can import load parameters directly from the following: - EZNEC (and EZNEC GAM files) - miniVNA and miniVNApro - AIM4170 - CocoaNEC - Rig Expert ".aaplot" files - Touchstone S1P ".s1p" files (shunt and series)

Pebble is a lightweight, open source, Java EE blogging tool. It's small, fast and feature-rich with unrivalled ease of installation and use. Blog content is stored as XML files on disk and served up dynamically, so there's no need to install a database. All maintenance and administration can be performed through your web browser, making Pebble ideal for anybody who is constantly on the move or doesn't have direct access to their host.

BYACC/Java is an extension of the Berkeley v 1.8 YACC-compatible parser generator. Standard YACC takes a YACC source file, and generates one or more C files from it, which if compiled properly, will produce a LALR- grammar parser. this extension support a -J option to generate Java source code.

The Java Service Wrapper is an application which has evolved out of a desire to solve a number of problems common to many Java applications: - Run as a Windows Service or Unix Daemon. - Application Reliability. - Standard, Out of the Box Scripting. - On Demand Restarts. - Flexible Configuration. - Ease Application Installations. - Logging.

Solr is an open source enterprise search server based on the Lucene Java search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search, caching, replication, a web administration interface and many more features. It runs in a Java servlet container such as Tomcat.

Apache Tomcat is a web server written in 100% Pure Java. Apache Tomcat version 6.0 implements the Servlet 2.5 and JavaServer Pages 2.1 specifications from the Java Community Process, and includes many additional features that make it a useful platform for developing and deploying web applications and web services.

byaccr is a parser generator for ruby based on 'Berkeley Yacc' and 'Berkeley Yacc for Java'.

HyperSQL HSQLDB is the leading SQL relational database engine written in Java. It has a JDBC driver and supports a rich subset of ANSI-92 SQL (BNF tree format) plus SQL 99 and 2003 enhancements. It offers a small (less than 100k in one version for applets), fast database engine which offers both in-memory and disk-based tables and supports embedded and server modes. Additionally, it includes tools such as a minimal web server, in-memory query and management tools (can be run as applets) and a number of demonstration examples.

JSAP: the Java-based Simple Argument Parser JSAP parses your command line and instantiates objects of types you specify based upon that command line. If you configure JSAP to expect an Integer on the command line, and the user does not provide a String that can be converted to an Integer, JSAP will alert your program to the fact that there was a problem with the command line. If JSAP indicates that your command line was successfully parsed, you are guaranteed an Integer when you request that parameter's value from your program. There's a pretty big (and growing) list of return types supported by JSAP.

The Digester package lets you configure an XML -> Java object mapping module, which triggers certain actions called rules whenever a particular pattern of nested XML elements is recognized. A rich set of predefined rules is available for your use, or you can also create your own. Advanced features of Digester include: - Ability to plug in your own pattern matching engine, if the standard one is not sufficient for your requirements. - Optional namespace-aware processing, so that you can define rules that are relevant only to a particular XML namespace. - Encapsulation of Rules into RuleSets that can be easily and conveniently reused in more than one application that requires the same type of processing