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"XMPP Web Services for Java (xws4j) is an implementation of machine to machine communication over XMPP according to the XMPP Extension Protocol XEP-0244 - IO Data and others. Although the name "web services" implies network communication over HTTP all communication is carried out over XMPP. The communicated content is encoded in XML, according to customized definitions of input and output in XML Schemata. "

"ModelDriven.org is a community of government, commercial and university members who use, develop and integrate open source and commercial capabilities to enable agile business solutions based on model driven methods and technologies. ModelDriven.org is standards based, leveraging Model Driven Architecture® as defined by the OMG and the Semantic Web as defined by W3C. This community has both a user membership and a provider membership. The user community drives the agenda - ..Read More >>"

Welcome to the community home for Pentaho Data Integration Community Edition (PDI CE) also known as Kettle. Pentaho Data Integration delivers powerful Extraction, Transformation and Loading (ETL) capabilities using an innovative, metadata-driven approach. With an intuitive, graphical, drag and drop design environment, and a proven, scalable, standards-based architecture, Pentaho Data Integration is increasingly the choice for organizations over traditional, proprietary ETL or data integration tools. Community Edition is self supported open source software. An Enterprise Edition (EE) of Pentaho Data Integration including technical support, managed upgrades and enterprise features is also available. For more information about EE or for screenshots and datasheets, visit Pentaho Data Integration EE on Pentaho's corporate site.

"Hibernate OGM is an attempt to store data in a NoSQL data grid using he Hibernate Core engine rather than rewriting a JPA engine from scratch. The benefits are fairly obvious: reimplementing the complex JPA specification is a lot of work a new implementation would mature at a rather slow rate and risk of bugs would be high Hibernate is familiar to many people Earlier designs for this feature in Infinispan can be found on http://community.jboss.org/wiki/DesignofJPA-likeAPIandNewFineGrainedreplication"

Funambol Open Source Community Forge

"Contributed and administered by ICEsoft Technologies Inc., ICEpdf.org is a place where enterprise Java developers can learn, share, and contribute information and ideas to a growing community of ICEpdf developers. ICEpdf is an open source Java PDF engine that can render, convert, or extract PDF content within any Java application or on a Web server. ICEpdf.org provides a range of development and support resources to benefit all ICEpdf developers. Source code and application reference implementations are available for download here. Numerous reference implementations and examples are available to enable rapid learning and successful use of the product. The reference implementations are commercial quality implementations that can be deployed as-is, customized to meet specific requirements, or used as learning aids on how to use various features. Visit the ICEpdf demos page to see ICEpdf in action and to evaluate the capabilities of ICEpdf as a Java PDF viewer or deployed as servlet a headless server engine. Remember that ICEpdf is completely customizable and and can be completely embedded in your Java application. We invite you to join the ICEpdf community and to participate in the user forums. The resources available here and on the ICEpdf forums will get you up and developing that much quicker. "

"Community Dashboard Framework (CDF) is a project that allows you to create friendly, powerful, fully featured dashboards on top of the Pentaho BI server. Former Pentaho dashboards had several drawbacks from a developer's point of view. The developing process was awkward, it required know-how of web technologies and programming languages, and basically it was time-consuming. CDF emerged as a need for a framework that overcame all those difficulties. The final result is a powerful framework featuring the following: . It is based on Open Source technologies. . It separates logic (JavaScript) of the presentation (HTML, CSS) . It features a life cycle with components interacting with each other . It uses AJAX . It is extensible, which gives the users a high level of customization: . Advanced users can extend the library of components. . They also can insert their own snippets of JavaScript and jQuery code. CDF can be used: . As part of a Pentaho solution. This is the most common scenario. . In a standalone mode as an alternative to the Pentaho User Console . Integrated with Portlets, PHP applications, intranet portals and even desktop applications. "

"The Community Dashboard Editor (CDE) is the outcome of real-world needs: It was born to greatly simplify the creation, edition and rendering of dashboards. CDE and the technology underneath (CDF, CDA and CCC) allows to develop and deploy dashboards in the Pentaho platform in a fast and effective way."

"Business Process Management functionality has been added to SwitchYard via the BPM Component work done in SWITCHYARD-174. The BPM Component leverages jBPM 5 (currently version 5.1.0.Final) under the hood to accomplish this. To illustrate this new functionality, a new Quickstart Demo has been created. The business process is a "Help Desk" workflow, and is available in the quickstarts git repository under demos/helpdesk/. Let's start by looking at a graphical representation of the process:"

"We'll be covering all aspects of mobile application development! This includes the latest HTML5 technologies used in the mobile web, and in hybrid application frameworks like the Apache Cordova. All the way to JBoss AS based services, mobile RichFaces/JSF2, tooling, and native application support, and prototyping. "

"A lot of people have asked me to document the reasons I want to migrate Hibernate from Maven to Gradle as its build tool so I enumerate those reasons here. If you are completely new to Gradle, I suggest having a look at their overview page. Up front I want to point out that this is not intended as a "Maven bash session" nor as a means to directly compare Maven and Gradle. It is just a means to describe the issues and frustrations I have seen in my 2.5+ years of using Maven for Hibernate builds; in many cases the cause is simply an assumption or concept in Maven itself which did not line up cleanly with how I wanted to do build stuff in Hibernate. Some of the list aggregated by Paul comes directly from Hibernate use-cases; I'd suggest reading through those as well. It is also a means to describe why I decided on Gradle as opposed to other related build tools out there now (Buildr, SBT, etc). Note that there is a comparison wiki between Gradle and Maven, but that it is quite old and out of date in many respects especially in regards to Gradle. The issues I had with Maven (note that these are largely chronological, not in order of "importance") are as follows:"

Gaelyk is a lightweight Groovy toolkit for Google App Engine Java. Gaelyk lets you deploy small applications on Google App Engine Java. Gaelyk gives you the choice to use Groovy for developing your applications. Gaelyk builds upon Groovlets. and the Groovy template servlet Gaelyk allows you to cleanly seperate your views with Groovy templates and your actions in Groovlets. Gaelyk simplifies the usage of the Google App Engine SDK by providing more concise and more powerful shortcuts when using the datastore, memcache, the blobstore, the images service, the URL fetch service, when sending and receiving emails or Jabber messages, and much more. Gaelyk lets you define friendly REST-ful URLs thanks to its URL routing system Gaelyk provides a simple plugin system for improving code reuse and code sharing You can: download Gaelyk in the download area, learn how to create Gaelyk applications by reading the extensive tutorial, and participate in the community.

A few weeks back, I wrote a blog entry lamenting the attitude toward IDEs in the Scala community. A few people told me that the tooling situation was better than I'd implied, so I thought I'd spend a bit of time looking at using Scala (and Lift specifically) in Eclipse. I think the situation is still a ways away from the tooling situation for Java, but it is actually quite good, and I wanted to post a quick tutorial for those interested in developing Lift in Eclipse. Prerequisites This post assumes that you already have Scala 2.8 final and Eclipse 3.6 on your system. For Eclipse, I recommend upping the Xmx setting if you haven't already - I had issues when I had multiple Lift projects imported with Xmx set to 386. Also, this tutorial is going to use Maven, not SBT. SBT may be a better build tool for Scala projects, but I'm not sure how well it works with m2eclipse - I'm going to play with that more later. I also assume you know how to install plugins into Eclipse - I will create a more in-depth screencast for doing all of this if there is enough interest.

There was a recent outburst in blogs on the topic of Groovy and how it compares to Java. Although I respect the youthfull entusiasim of Groovy and Co. working on this little exercise I'm just perplexed by the "WHY?" in this whole discussion. Let me just say again: W H Y ?!?! 1. Practically no one cares about Groovy (let alone Groovy++ strap-on) beyond Grails community. So this language just as "widely accepted" as Ruby (at least for enterprise software development) 2. If you know Java it's equally "challenging" to pick up either Groovy or Scala. Don't let anyone insult your intelligence by claiming that Scala syntax is somehow more complex than Groovy. In both languages you will need to adapt to functional thinking - and that's where you will have to spend a couple of weekends… 3. If you know Groovy - you already know 90% of Scala (different syntax and few extra features can be picked up in the evening) 4. Scala is designed by people who have proper academic background, experience and talent in the area of language design - Groovy has never been that way (and anyone who dares to look inside of Groovy runtime or history of changes in it will attest to that). NOTE: it did come out rather strong - but that's how I feel about it and after some thinking I'll leave as is. Nothing personal to anyone reading it… 5. Scala as a post-functional language is years ahead of Groovy (static typing with best-in-business type inference, highly tuned mix of imperative and functional styles, powerful and done-right generics, etc.) 6. Groovy will ALWAYS be slower than Scala or Java (latest benchmarks put even Groovy++ about 50 times slower than Java) just by its nature unless someone changes the language and rebuilds the runtime from the ground up. 7. Once we get decent integration with Eclipse, NetBeans and IDEA for Scala, the Groovy will lose its only serious advantage

"The Eclipse Modeling Project is one of the most active projects within the Eclipse community. Ed Merks will give a quick overview of the Modeling projects in Helios. Then Cedric Brun will demo Acceleo and Sebastian Zarnekow will show Xtext. This presentation was recorded as part of the Helios In Action virtual conference: eclipse.org/​helios/​heliosinaction.php. Presented by Ed Merks, Cedric Brun of Obeo and Sebastian Zarnekow of itemis "

"The Eclipse Modeling Project focuses on the evolution and promotion of model-based development technologies within the Eclipse community by providing a unified set of modeling frameworks, tooling, and standards implementations."

"Business Intelligence and Reporting Tools BIRT is an open source Eclipse-based reporting system that integrates with your Java/J2EE application to produce compelling reports. Get started with the newest major release, BIRT 2.6.1. Get started with the latest in the BIRT 2.5 series. Need help with BIRT? BIRT provides core reporting features such as report layout, data access and scripting. Please try BIRT and tell us what you think by filling bugs reports & enhancement requests through Bugzilla as explained on the community page. "

Xtext - Language Development Framework With Xtext you can easily create your own programming languages and domain-specific languages (DSLs). The framework supports the development of language infrastructures including compilers and interpreters as well as full blown Eclipse-based IDE integration. While Xtext equips you with a set of sensible defaults, you can tweak every single aspect of your language with Xtext's powerful APIs. A comprehensive documentation as well as the vivid community will help you getting started in no time. And if that is not enough you can buy trainings, consulting or support contracts delivered directly by the committers.

Spring Security is a powerful and highly customizable authentication and access-control framework. It is the de-facto standard for securing Spring-based applications Spring Security is one of the most mature and widely used Spring projects. Founded in 2003 and actively maintained by SpringSource since, today it is used to secure numerous demanding environments including government agencies, military applications and central banks. It is released under an Apache 2.0 license so you can confidently use it in your projects. Spring Security is also easy to learn, deploy and manage. Our dedicated security namespace provides directives for most common operations, allowing complete application security in just a few lines of XML. We also offer complete tooling integration in SpringSource Tool Suite, plus our Spring Roo rapid application development framework. The Spring Community Forum and SpringSource offer a variety of free and paid support services. Spring Security is also integrated with many other Spring technologies, including Spring Web Flow, Spring Web Services, SpringSource Enterprise, SpringSource Application Management Suite and SpringSource tc Server.

Teiid is a data virtualization system that allows applications to use data from multiple, heterogenous data stores. Teiid is comprised of tools, components and services for creating and executing bi-directional data services.  Through abstraction and federation, data is accessed and integrated in real-time across distributed data sources without copying or otherwise moving data from its system of record.