PUBLIC MARKS from clochix with tag engine

Swoogle is a search engine for the Semantic Web on the Web. Swoogle crawl the World Wide Web for a special class of web documents called Semantic Web documents, which are written in RDF. Currently, it provides the following services to the following services: * search Semantic Web ontologies * search Semantic Web instance data * search Semantic Web terms, i.e., URIs that have been defined as classes and properties * provide metadata of Semantic Web documents and support browsing the Semantic Web. * archive different versions of Semantic Web documents

Galaxia is a open source activity-based Workflow engine based on Openflow. That type of workflow is defined by Entity-based workflows vs Activity-based workflows Galaxia was originally written for Tiki CMS/Groupware but has now been ported to several other Open Source projects

Simple busines workflow engine. You can code own business jobs (workflow steps), and embed it to workflow engine. Big advatage is that you change workflow you don't need to recode anything - only change configuration of workflow.

Article décrivant le développement d'un moteur de workflow d'activité en PHP. Ce moteur a été implémanté dans le framework Radicore.

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.

List of Java based workflow engines

Sphinx is a full-text search engine, distributed under GPL version 2. Generally, it's a standalone search engine, meant to provide fast, size-efficient and relevant fulltext search functions to other applications. Sphinx was specially designed to integrate well with SQL databases and scripting languages. Currently built-in data sources support fetching data either via direct connection to MySQL, or from an XML pipe.

OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. OpenCyc can be used as the basis of a wide variety of intelligent applications such as: * rapid development of an ontology in a vertical area * email prioritizing, routing, summarization, and annotating * expert systems * games