OpenDFKI is a collection of open source DFKI projects. Active projects are listed here: * [https://foafme.opendfki.de/ foafme] !FoafMe is a project dedicated to give you a simple to use editor for your FOAF files. It runs as Java application on any desktop you have. It also provides browsing the net of connected foaf files and uploading your foaf file using ftp. * [https://gnowsis.opendfki.de/ Gnowsis] The Semantic Desktop environment published by the Knowledge Management Lab of the DFKI. Gnowsis can be used in research projects or by interested individuals to benefit from Semantic Web technologies. * [http://kaukoluwiki.opendfki.de/ Kaukoluwiki] !KaukoluWiki is a Java-JSP-based Wiki that manages its data by using Semantic Web tools. It can be called a “Semantic Wiki”. * [http://nabu.opendfki.de/ Nabu] ''Nabu'' is a plugin for [http://www.jivesoftware.org/messenger/ Jive Messenger], a server implementation of the [http://www.jabber.org/ Jabber] Instant Messaging protocol. It provides server-side logging of chat conversations and related events. The logged data is stored in a semantic graph, using the [http://www.w3.org/TR/rdf-primer/ RDF W3C standard]. * [https://rdf2java.opendfki.de/ rdf2java] rdf2java is a small tool written in Java. It allows easy handling of RDF data. Instead of using an RDF api for creating and searching for RDF triples, i.e., (subject, predicate, object), you just work with Java objects representing RDF subjects / objects. * [https://rdfhomepage.opendfki.de/ rdfhomepage] RDFHomepage creates personal homepages based on your RDF data. Never more duplicate the information in your bibtex, FOAF file, etc. by manually coding ugly and complicated HTML by hand! Let rdfhomepage create it for you! * [https://dragontalk.opendfki.de/ dragontalk] The Dragontalk project provides a set of extensions for the Mozilla products Thunderbird (email client) and Firefox (web browser). The Dragontalk extensions were developed in the EPOS project. One of the goals was to get information about the user's operations. For instance, if the user sends or replies to an email, Dragontalk sends a !SendEmail or a !ReplyToEmail event to some port where an XMLRPC listener can catch it. * [http://mary.opendfki.de/ MARY] The !OpenMary text-to-speech synthesis system. * [http://pet.opendfki.de/ PET] PET is an open-source runtime system for processing with unification based grammars. These projects are in the beginning: * [https://protegerdf.opendfki.de/ Protegerdf (pre-alpha)] ...a new version of Protégé's RDF backend that uses the Jena RDF API. Aims to provide better literal support and other bugfixes. * [https://catwiesel.opendfki.de/ Catwiesel (pre-alpha)] The DFKI project catwiesel is an attempt to combine classical search and indexing mechanisms with hierarchical structures. The project is currently at the very beginning, so please be patient. * [https://jatke.opendfki.de/ JATKE (pre-alpha)] JATKE is a [http://protege.stanford.edu/ Protégé] plug-in that provides a unified platform for ontology learning.