Free java platform software for linux

Sun Java Platform Enterprise Edition (Java EE) is the industry standard for developing portable, robust, scalable, and secure server-side Java applications.

Building on the solid foundation of Java SE, Java EE provides Web services, component model, management, and communications APIs that make it the industry standard for implementing enterprise class service-oriented architecture (SOA) and Web 2.0 applications.

Lucidium Application Platform project consists of a platform for the rapid and agile delivery of custom data/process application
ucidium is an application development environment in which fully featured, custom, Web-based data/process solutions can be delivered using little or no code. After describing your data model to the platform, it will automatically create powerful search, list, review, and update screens.
Skins can be customized using XSL, and complex actions can be added using JavaScript or Java. Any relational data model and process can be described and delivered.
Available ERP type modules include HR, Accounts, Logistics, Project Management, Case Log, and Document Management.
Main features:
- A platform upon which data driven applications can be configured and deployed.
- Cuts development cost, risk, complexity and effort.
- Is a proven open-source Java solution.

This program is a port of the famous BSD game fortune.
This program currently can only be run via the command line. It is ideal for use with various e-mail clients like pine,mutt etc. to insert random quotes at the end of your e-mail or for displaying a random quote when a user logs into your unix box. A more advanced application could be to display random tips in your program.
Main features:
- Written in Java, hence Platform Independent
- Handles multiple quote files.
- Supports fortune style cookie files.
- Supports passing various command line options. More options are being integrated in.
- Easily integrable into other JAVA programms.
- Easy and straighforward code.
- Licensed under GPL which means you can access the source code and make it better according to your likes.

Java Sudoku is a cross platform version of the popular Sudoku logic game. Java Sudoku features an advanced user interface that is both easy to use and appealing to the eye.
It allows you to generate completely random Sudoku puzzles, enter your own puzzles from newspapers and magazines, or load them from Sudoku XML files. Java Sudoku can also be used as a Sudoku generator and solver.
Main features:
- Random puzzles every time you play
- Helping lines mode in the option menu, so You can see easier, if there is a collision
- 2 different systems of selecting cells and entering numbers
- 3 difficulty levels and an user custom level
- 3 Different Numbers Distributions
- Load/Save Sudoku games without any kind of losses
- Design your own puzzles - Under construction

The Java Gui Builder program is designed to decouple the GUI building code from the rest of the application code, without hand-writing code.

It allows one to describe the layout of windows and controls using an XML file. A full DTD was written to allow on-the-fly validation.

Using an XML file to describe GUI components allows users the flexibility to rewrite their windows so that they suit their needs, without opening up the innards of the program to the users.

Java Gui Builder can run on any Swing enabled J2SE platform. JGB was tested against Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1_08-b03) and Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1_01-b01). If you want to build JGB, you will need J2SE 1.4 or better. It is not possible to build on 1.3, but can be used on 1.3.

Whole Platform project is a technology for engineering the production of software.
We think that programming is an activity concerning the development of domain languages; so, we provide a platform for developing new languages, manipulating them using domain notations and transforming them to executable code.
Using the Whole Platform, the problem domain experts can work together with the programming experts for the development of software products.
The Whole Platform includes a modeling framework, a generative system, a family of languages, and domain editors integrated with the Eclipse platform.
The languages boundled with the Platform include popular languages such as Java and XML together with some new domain languages used for modeling the structure, the behavior, the persistence and the notations of a language.
Main features:
Architecture
- Extensible. The architecture provides an API for language extension. You can add/remove languages, notations, persistences and operations.
- Java frameworks and domain languages. All the expressive power of the Whole Platform is available as standard Java frameworks. Part of this expressive power is also available through a family of domain languages.
- Generative. The Whole modeling languages generate code on top of the Java frameworks. Together with the extensive use of wellknown Design Patterns in frameworks, the code generated feels hand written.
Metaprogramming
- Native support. Each Whole language can be used at template level and, if it has an executable semantics, it can be also used at base or host level.
- Staging support for visitors. Staging support is available for behavior defined using the visitors traversal framework.
- Mixing template languages. A single artifacts generator can use multiple template languages.
Persistence
- Stream based persistence. The Persistence syntax of a model is pluggable. Both stream based and model based persistence methods (kits) are supported. The streaming API looks like the building events produced by the Director participant of the Builder Design Pattern.
- Java code and XML default serializers. The standard persistence kits are based on a streaming API and are available in two flavor: Java and XML. The Java code, when executed, fires a stream of building events.
- Stream based behavior. Model behavior can be defined directly on top of the streaming API without prior building of the model.
- Multiple languages support. Programs written using multiple languages are supported even on a single source file.
- Versioning support. Facilities for versioning metamodels and migrate/import existing models are provided.
Editing
- GEF based editors for Eclipse. Model based visual editors for Eclipse can be added to a Whole language even using separate plugins.
- Rich graphical user interfaces. Multiple kinds of notations are supported including grammar layouts for text oriented languages, math layout for mathematical expressions, tree and graph layouts for diagram oriented languages.
- Multiple notations for a language. For each language multiple notations can be defined and deployed in a modular way. The notation can be changed while editing.
- Mixing notations. Multiple notations can be mixed even on a single editor view. This feature is especially useful for metaprogramming using concrete syntaxes for template languages.

Apache Harmony is the Java SE project of the Apache Software Foundation. Please help us make this a world class, certified implementation of the Java Platform Standard Edition!

Apache Harmonys aim is to produce a large and healthy community of those interested in runtime platforms tasked with creation of :

A compatible, independent implementation of the Java SE 5 JDK under the Apache License v2.
A community-developed modular runtime (VM and class library) architecture.

We aim to support wide range of different platforms. The main criteria for whether a particular platform is supported or not is the involvement of people in running tests on regular base, reporting build status, finding and fixing bugs for that platform, and so on. We have a list of platforms we are actively maintaining at the moment.

Project Status

JRE and HDK snapshots available
JRE can run popular programs like Apache Tomcat, Eclipse, Maven, Derby, Ant
More than 95% of Java 5 API complete. (not compatible, just completed)
More than 1.25 Million Lines of Code