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ASK KEN™ is sort of a Node-Link diagram that allows to visually navigate through interconnected topics provided by the Freebase Service. It takes advantage of the latest HTML5 features by using the canvas element for drawing.

Super Stream Collider (SSC) is a platform, which provides a web-based interface and tools for building sophisticated mashups combining semantically annotated Linked Stream and Linked Data sources into easy to use resources for applications. The system includes drag&drop construction tools along with a visual SPARQL/CQELS editor and visualization tools for novice users while supporting full access and control for expert users at the same time. Tied in with this development platform is a cloud deployment architecture which enables the user to deploy the generated mashups into a cloud, thus supporting both the design and deployment of stream-based web applications in a very simple and intuitive way.

Cytoscape is an open source software platform for visualizing complex-networks and integrating these with any type of attribute data. A lot of plugins are available for various kinds of problem domains, including bioinformatics, social network analysis, and semantic web.

"With SKOS Play you can print Knowledge Organization Systems that use the SKOS data model in HTML or PDF documents, and visualize them in graphical representations."

Wandora's Freebase extractor makes an request to the Freebase API and converts the response to topics and associations. As with all other data in Wandora the extracted topics and associations may be modified, merged and visualized with the tools provided in Wandora.

Callimachus - The leading Open Source platform for navigating, managing, and visualizing applications using the Web of Data. Use Callimachus to create and deploy mobile and Web apps using open data and enterprise content using open Web standards. Data-driven applications made easy!

Symbolab is a semantic web search engine for math and science. It allows users to search for equations, formulas and expressions using mathematical symbols and scientific notations as well as full text search. The stated goal of the site is to provide the most relevant search results that are theoretically and semantically similar, rather than visually.

SIMILE is focused on developing robust, open source tools that empower users to access, manage, visualize and reuse digital assets.

AquaBrowser 3 provides the intuitive, feature-rich, and rewarding discovery experience that helps patrons be successful in their searches helping your library maximize its return on investment. It reveals library catalogs and local collections through a visually engaging Web 2.0 interface with built-in social networking,. AquaBrowser 3 also offers real time availability item status ; a toggle on/off Word Cloud with thesaurus and associative terms, translations, and spelling suggestions; an ADA compatible interface, and relevant search results that are easily resorted by title, author, or publication date.

"conTEXT allows to semantically analyze text corpora (such as blogs, RSS/Atom feeds, Facebook, G+, Twitter or SlideWiki.org decks) and provides novel ways for browsing and visualizing the results. Read More... Try it for free "

"BinPad Editor is a tool that helps you organize and publish content in BinPad. Visualize your own content in an intuitive, amazing way. The public version is coming soon. Examples of a Curriculum Vitae and travel log created by BinPad Editor are provided."

"Domeo is an extensible web application enabling users to visually and efficiently create and share ontology-based stand-off annotation on HTML or XML document targets. The tool supports manual, fully automated, and semi-automated annotation with complete provenance records, as well as personal or community annotation with access authorization and control."

a visual learning robot, that identifies and extracts the important parts of any web page

Callimachus serves all your Linked Data needs: Graph Storage, Integrated Development Environment, Visualizations, Web Publishing

Metamaps.cc is a free and open source web platform for changemakers, innovators, educators and students. It enables individuals and communities to build and visualize their shared knowledge and unlock their collective intelligence.

"Wandora is a general purpose information extraction, management and publishing application based on Topic Maps and Java. Topic maps are hypergraphs with an emphasis on subjects. Wandora stores information in layered and auto-merging topic maps. Wandora has graphical user interface, multiple visualization models, huge collection of information extraction, import and export options, embedded HTTP server with several output modules and open plug-in architecture. Wandora is a FOSS application with GNU GPL license. Wandora suits well for constructing and maintaining vocabularies, ontologies and information mashups. "

RDF Gravity is a tool for visualising RDF/OWL Graphs/ ontologies.

Augmenting Our Ability to Perceive this Complex World™

OpenLink RDF Browser