eXo Platform is an open-source social-collaboration software designed for enterprises. It is full featured, based on standards, extensible and has an amazing design. Rich collaboration features such as wikis, forums, calendars and documents are smartly integrated around activity streams, social networking and workspaces. 
 
The platform has been carefully designed to instantly engage users. It runs on the Cloud or within the trusted security of an enterprise platform and is highly customizable to adapt when your needs evolve. eXo Platform has inherited strong document management capabilities from its portal platform roots and thus is also a fantastic platform for content-centric applications. Based on standard and highly extensible, eXo Platform also rely on community add-ons to bring users new capabilities like chat application, blog management and Google Drive extensions.

eXo Platform is an open-source social-collaboration software designed for enterprises. It is full featured, based on standards, extensible and has an amazing design.

eXo Platform - The Enterprise Social Platform

SpotBugs is the spiritual successor of FindBugs, carrying on from the point where it left off with support of its community.  SpotBugs is a program which uses static analysis to look for bugs in Java code. 

SpotBugs - FindBugs' successor, A tool for static analysis to look for bugs in Java code. 

BioJava is an open-source project dedicated to providing a Java framework for processing biological data. It provides analytical and statistical routines, parsers for common file formats and allows the manipulation of sequences and 3D structures. The goal of the biojava project is to facilitate rapid application development for bioinformatics. 

BioJava - Java Framework for Processing Biological Data

SchemaSpy analyzes database metadata to reverse engineer dynamic Entity Relationship (ER) diagrams. It works with just about any JDBC-compliant database (Oracle/MySQL/DB2/SQL Server/PostgreSQL/Sybase/etc) and can identify Ruby on Rails relationships.

SchemaSpy - Graphical Database Schema Metadata Browser

cron4j is a scheduler for the Java platform which is very similar to the UNIX cron daemon. With cron4j you can launch, from within your Java applications, any task you need at the right time, according to some simple rules. Programming the cron4j scheduler is easy, you have to know just a few methods. The launching rules for every task must be expressed with a string called scheduling pattern, whose syntax is equal to the one used by the UNIX crontab entries. If you know how to manipulate the UNIX crontab, the most is done.

cron4j is a scheduler for the Java platform which is very similar to the UNIX cron daemon. With cron4j you can launch, from within your Java applications, any task you need at the right time, according to some simple rules.

Cron4j

Jcrontab is a scheduler written in Java. The project objective is to provide a fully functional schedules for Java projects. Jcrontab is designed to be extended and integrated with any project. Reads and stores the tasks to execute in a file, a database or an EJB and provides a basic web UI.

<ul>
 <li>Provides a system to run Classes/Threads/main/EJB/Methods/NativePrograms... at a given time.</li>
<li>Provides a parser of crontab-like files that are fully compatible with UNIX-POSIX crontab 
files. </li>
<li>Stores and reads crontab table from files, DD.BB. and is designed to be extended using 
generic interface DataSource to store/read crontab from any place. </li>
<li>Sends an email with the result of the execution.</li>
<li>Can be easily integrated with application servers - it has been tested in Tomcat, Resin, 
Jetty and Jboss. It has a load-on-startup servlet to make it easier. </li>
<li>Can be used as a stand-alone application to &quot;replace&quot; cron. </li>
<li>Has been designed and developed to get maximum performance and extensibility.</li> 
</ul>

Jcrontab is a scheduler written in Java. The project objective is to provide a fully functional schedules for Java projects. Jcrontab is designed to be extended and integrated with any project. Reads and stores the tasks to execute in a file, a database or an EJB and provides a basic web UI.

JCronTab

The PHP/Java Bridge is an implementation of a streaming, XML-based network protocol, which can be used to connect a native script engine, for example PHP, Scheme or Python, with a Java virtual machine. It is faster and more reliable than direct communication via the Java Native Interface, and it requires no additional components to invoke Java procedures from PHP or PHP procedures from Java. PHP Java bridge hepls to use Java objects in PHP scripts and it also invokes PHP script from Java object. A typical use would be having PHP front end with Java back end, which will use all services such as JMS, EJB, SOA etc.

The PHP/Java Bridge is an implementation of a streaming, XML-based network protocol, which can be used to connect a native script engine, for example PHP, Scheme or Python, with a Java virtual machine. It is faster and more reliable than direct communication via the Java Native Interface, and it requires no additional components to invoke Java procedures from PHP or PHP procedures from Java.

PHP Java Bridge

LucidDB is the RDBMS built entirely for data warehousing and business intelligence. It is based on architectural cornerstones such as column-store, bitmap indexing, hash join/aggregation, and page-level multiversioning. Every component of LucidDB was designed with the requirements of flexible, high-performance data integration and sophisticated query processing in mind. 

 Rather than throwing hardware at data warehousing problems by relying on expensive clusters or specialized "appliances", the scalability offered by LucidDB's unique architecture allows you to achieve great performance using only a single off-the-shelf Linux or Windows server. Besides keeping costs down, this also minimizes maintenance and administration hassles. 
 <UL>
	<LI>Support of both 32 and 64 bit platforms</LI>
	<LI>Integrated with Pentaho Business Intelligence product</LI>
	<LI>Automatically adapts to either bitmap or btree representation depending on data distribution</LI>
	<LI>Versioning at page-level is much more efficient than transactional databases</LI>
	<LI>Supports incremental backup</LI>
	<LI>High performance and greater cache and disk effectiveness</LI>
	<LI>Allows flat files (e.g. BCP or CSV format) to be queried as foreign tables via LucidDB</LI>
 </UL>

LucidDB is the RDBMS built entirely for data warehousing and business intelligence. It is based on architectural cornerstones such as column-store, bitmap indexing, hash join/aggregation, and page-level multi versioning. Every component of LucidDB was designed with the requirements of flexible, high-performance data integration and sophisticated query processing in mind.

LucidDB - RDBMS built entirely for Data Warehousing and Business Intelligence

Openchart2 is based on the JOpenChart library. It provides a simple interface for Java programmers to create two-dimensional charts and plots. This library features an assortment of graph styles, including advanced scatter plots, bar graphs, pie charts, Radar charts, Dot plots. All chart types support dynamic zooming. Simple arrays or full database sources can provide data to the plotting routines.

Openchart2 is based on the JOpenChart library. It provides a simple interface for Java programmers to create two-dimensional charts and plots. This library features an assortment of graph styles, including advanced scatter plots, bar graphs, pie charts, Radar charts, Dot plots. All chart types support dynamic zooming. Simple arrays or full database sources can provide data to the plotting routines.

Openchart2 - Simple Plotting for Java

Nuxeo DM manages and tracks the flow of content through the business cycle, addressing the common pitfalls of document duplication, lack of version tracking, time-consuming search and retrieval, and security and access issues. It captures content with different formats like scanned images, email, office documents, CAD files etc. Audit logging and configurable versioning policies helps to to track the content lifecycle. 
 Community site: <A HREF="http://community.nuxeo.com/" target="_blank">http://community.nuxeo.com/</A>

Nuxeo DM manages and tracks the flow of content through the business cycle, addressing the common pitfalls of document duplication, lack of version tracking, time-consuming search and retrieval, and security and access issues. It captures content with different formats like scanned images, email, office documents, CAD files etc. Audit logging and configurable versioning policies helps to  to track the content lifecycle.

Nuxeo Document Management

GATE excels at text analysis of all shapes and sizes. It provides support for diverse language processing tasks such as parsers, morphology, tagging, Information Retrieval tools, Information Extraction components for various languages, and many others. It provides support to measure, evaluate, model and persist the data structure. It could analyze text or speech. It has built-in support for machine learning and also adds support for different implementation of machine learning via plugin. 
 It has family of products: 
 GATE Developer: An integrated development environment for language processing components bundled with a very widely used Information Extraction system and a comprehensive set of other plugins. 
 
 GATE Teamware: A collaborative annotation environment for factory-style semantic annotation projects built around a workflow engine and a heavily-optimized backend service infrastructure. 

 GATE Embedded: An object library optimized for inclusion in diverse applications giving access to all the services used by GATE Developer and more.
 <img src="/AppImages/Article/gate_img1.jpg" alt="" class="float-center">

GATE excels at text analysis of all shapes and sizes. It provides support for diverse language processing tasks such as parsers, morphology, tagging, Information Retrieval tools, Information Extraction components for various languages, and many others. It provides support to measure, evaluate, model and persist the data structure. It could analyze text or speech. It has built-in support for machine learning and also adds support for different implementation of machine learning via plugin.

Gate - General Architecture for Text Engineering

JOSSO is an Open Source Internet SSO solution for rapid and standards-based (SAML) Internet-scale Single Sign-On implementations, allowing secure Internet access to the Web-based applications or services of customers, suppliers, and business partners. It supports Windows authentication, LDAP support.

JOSSO - Java Open Single Sign-On

MG4J (Managing Gigabytes for Java) is a free full-text search engine for large document collections written in Java. MG4J is a highly customisable, high-performance, full-fledged search engine providing state-of-the-art features (such as BM25/BM25F scoring) and new research algorithms. The main points of MG4J are Powerful indexing, Multi-index interval semantics, Virtual fields, Clustering and lot more. Release 5.0 has several source and binary incompatibilities, and introduces quasi-succinct indices.

MG4J (Managing Gigabytes for Java) is a free full-text search engine for large document collections written in Java. MG4J is a highly customisable, high-performance, full-fledged search engine providing state-of-the-art features (such as BM25/BM25F scoring) and new research algorithms. The main points of MG4J are Powerful indexing, Multi-index interval semantics, Virtual fields, Clustering and lot more. 

MG4J - Managing Gigabytes for Java

Marvin is an image processing framework that provides features for image and video frame manipulation, multithreading image processing, image filtering and analysis, unit testing, performance analysis and addition of new features via plug-in. It can process camera frames for video filtering, object tracking, augmented reality, motion detection and analysis among other things. 

Marvin - Image Processing Framework

FMJ is an alternative to Java Media Framework (JMF), while remaining API-compatible with JMF. It aims to produce a single API/Framework which can be used to capture, playback, process, and stream media across multiple platforms. The sub-projects, FFMPEG-Java and Theora-Java, are Java wrappers for FFMPEG and Vorbis respectively. Its sister project is LTI-CIVIL and it is used as the primary video capture device library. 

FMJ - Freedom for Media in Java

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