January 2007
![](http://blogmarks.net/screenshots/2007/10/05/276fa8cbc7105526297302591c369264.png)
Apache Lenya - Open Source Content Management (Java/XML)
Apache Lenya is an Open Source Java/XML Content Management System and comes with revision control, site management, scheduling, search, WYSIWYG editors, and workflow.
December 2006
![](http://blogmarks.net/screenshots/2006/12/11/c509e9773a9e3f9caa9b46f7e92bbc7d.png)
Jena Semantic Web Framework
Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
Jena is open source and grown out of work with the HP Labs Semantic Web Programme.
The Jena Framework includes:
* A RDF API
* Reading and writing RDF in RDF/XML, N3 and N-Triples
* An OWL API
* In-memory and persistent storage
* SPARQL query engine
![](http://blogmarks.net/screenshots/2006/12/08/9ec5b3884a7b6043130c3e8a247e24a2.png)
OpenWFE - open source workflow engine
OpenWFE is an Open source WorkFlow Engine, released under a BSD license.
It's written in Java but features access libraries for languages such as Python, Perl, Ruby, C# (.NET), PHP and pnuts.
![](http://blogmarks.net/screenshots/2006/12/08/16609e9f0de0308cc904417c8797761e.png)
Review of Open Source Workflow Engines written in Java
List of Java based workflow engines
![](http://blogmarks.net/screenshots/2007/01/14/7d1cbefd758b49451c436f25308ed9de.png)
Solr : open source enterprise search server based on Lucene
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, and a web administration interface. It runs in a Java servlet container such as Tomcat.
November 2006
![](http://blogmarks.net/screenshots/2006/11/03/2fd0b69f4845bd075ebfc66c5a6c073a.png)
Aperture Framework : a Java framework for getting data and metadata
Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (e.g. file systems, web sites, mail boxes) and the file formats (e.g. documents, images) occurring in these systems.
1
(6 marks)