Pure Java

Weaver is an Open Source, pure-Java, XML programmed Controller component for developing Model View Controller (MVC) structured, servlet based, Web applications..

Sanselan is a Pure-Java library reads & writes a variety of image formats, including fast parsing of image metadata (size, color space, icc profile, etc.). This library is pure Java. Its slow, consequently, but perfectly portable. Its easier to use than ImageIO/JAI/Toolkit (Sun/Javas image...

JGlade is a reimplementation of libglade in pure Java that enables Glade UI designs to be ported to platform independent toolkits, like SWT and Eclipse. Toolkits are managed through an Abstract factory, and pluggable modules supporting other toolkits can be implemented. Glade UI designer...


Platforms: *nix

jo! is a pure Java Web server that implements the Servlet API, JSP, and HTTP/1.1. It features advanced thread management, virtual hosts, memory-sensitive file cache, authentication using a role abstraction, automatic compressed transfer of text or HTML files, auto internationalization, auto...


Platforms: *nix

NagiosAppender is a pure Java implementation of a Log4j appender that allows the developer/administrator to send log records to Nagios via the NCSA server (using the push model). Nagios Appender project provides a simple solution for developers/administrators whose only alternative is to...


Platforms: *nix

Itzam/Java project is a pure Java reimplementation of the Itzam embedded database engine, and it is 100% interoperable with files created by Itzam/Core. Since Itzam/Core is the basis of wrappers written in languages such as C++ and Python, Itzam/Java is compatible with those language libraries...


Platforms: *nix

NetBeans, pure Java. The Cryppie can protect your files by encrypting its content, possibility to compress files before encryption. It's destination for keep information in safe on your flash drive or another storage.


Platforms: Mac

ZK Spreadsheet is an open source embeddable web-based online spreadsheet that delivers the rich functionality of Excel within browsers using pure Java. (Moved to http://code.google.com/p/zkspreadsheet/ since ZK Spreadsheet 2.0)


Platforms: Windows, Mac, Linux

A 100% pure java based SMTP / POP3 mail server. Supports plugins.


Platforms: Windows, Mac, Linux

A 100% pure Java Swing ASN.1 analysis utility for inspecting arbitrary BER-encoded data files. It allows inspection of data with unknown structure, can drill down to any nesting level and allows to interpret embedded OCTET STRING data recursively.


Platforms: Windows, Mac, Linux

Chess Editor is a pure Java tool to create, edit and view chess games in the Portable Game Notation (PGN) format. The tool integrates with externally specified chess engine programs to provide analysis of board positions.


Platforms: Windows, Mac, Linux

A -quite ambitious- project to create a functional Doom source port in pure Java, trying to keep as close as possible to the original source code while at the same time streamlining it into a more OO and Java-friendly form.


Platforms: Windows, Mac, Linux

A pure Java implementation of the classic board game 'Twixt'. For two players (or one schizophrenic player), either both local or across a network. Written for Java 1.4, it should run on any platform supporting that or later versions.


Platforms: Windows, Mac, Linux

Wowza Media Server Pro is a powerful and extensible pure Java alternative to Adobe Flash Media Server that delivers a dramatic improvement of Flash streaming economics. With up to 80% lower Total Cost of Ownership (TCO), Wowza Media Server makes Flash streaming affordable for organizations of all...


Platforms: Any platform that supports the Java Runtime Environment (JRE) 5

3D Graphics engine on Pure Java 2. Small and Fast. Open Source.


Platforms: Windows, Mac, Linux

RES is a pure Java based Open Source Cobol to Java translator. It creates maintainable Java code for a subset of VS Cobol syntax. It has been developed with JDK, JTB and Javacc.


Platforms: Windows, Mac, Linux

iReport is a powerful, intuitive and easy to use visual report builder/designer for JasperReports written in 100% pure java. This tool allows users to visually edit complex reports with charts, images, and subreports. iReport is integrated with leading open source chart libraries for java....


Platforms: Mac

An implementation of the VP8 image/video codec in pure Java.


Platforms: Windows, Mac, Linux

Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.Jython is an implementation of the high-level, dynamic, object-oriented...


Platforms: Windows, Mac, *nix, Java, BSD Solaris

A pure java GUI database administration tool that is designed to be database independent and offering full administrative functionality.


Platforms: Windows, Mac, Linux