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Semantic Web Development Tools
This Wiki contains a collection of tool references that can help in developing Semantic Web applications. These include complete development environments, editors, libraries or modules for various programming languages, specialized browsers, etc. The goal is to list such tools and not Semantic Web applications in general (the interested reader may consider looking at the W3C SW Use Case Collection for those.)
The tool content of this wiki is still to be maintained by the community and not by the W3C staff. If you are interested in adding to and/or modifying the relevant pages, please consult the separate Tool Contributors’ page.
The current Wiki contains references to 341 tools. Although it is possible to show them in a list or in a table, the result is not easy to parse. Here are some other possibilities that might be helpful:
- Search through categories, i.e., reasoners, programming environments, browsers, etc.
- Search through programming languages (e.g., Java, Python, Ruby). These are particularly useful in developing Semantic Web applications.
- Search through W3C Recommendations and Technologies (e.g., RDF, RDFa, OWL) to find tools that are relevant in that technology.
- Jena, a Java RDF API and toolkit (last modified: 23 September 2015)
- SPARQL playground (last modified: 22 September 2015)
- RDFSharp (last modified: 7 September 2015)
- A Tool for Efficient, Multilevel Visualization, Exploration & Analysis over Large RDF Datasets (last modified: 26 July 2015)
- The graphVizdb platform (last modified: 12 June 2015)
Tool Data in RDF
Thanks to the possibilities offered by Semantic Media Wiki, each tool page has a link to the corresponding RDF data describing that particular tool and, whenever possible, links to other information (e.g., a corresponding entry on Semanticweb.org) have been added, but there are obviously missing entries. Hopefully, the community will improve that over time.
There is also an option to get one RDF/XML graph for all tools. Unfortunately, that data does not include the properties associated with each tool, only a reference to each individual tool’s RDF data. (Getting a direct RDF dump of all the data is not yet possible in the local setup of Semantic Media Wiki.)
There are other pages on tool collection out there, largely overlapping with this, but possibly with a different granularity or emphasis. Some of these are:
- Sweet Tools maintained by Michael K. Bergman
- comprehensive list of SW tools and systems (bad link -- status unknown) was maintained at the SemanticWeb.gr Wiki.
- The W3C Multimedia Semantics Incubator Group maintains the list of tools and resources relevant to multimedia semantics.
- The list of tools collected on the Semanticweb.org community wiki.
- List of Alternative Tabular to RDF converters, by Tim Lebo
- SemNova  is a tool that transform text or HTML to RDF (Semantic Web -Web of Data) using Linked Data, Text Annotation, mircoformat, RDFa and Information retrieval
There are also separate pages maintained on W3C’s ESW Wiki for:
- SPARQL implementations, set up by the SPARQL Working Group (although most of the information is present on these pages, too)
- SPARQL endpoints, examples of using SPARQL in exposing various data. Some of those also accept references to external data; these are also listed on this site.
- RDF Path languages, ie, languages and template languages are used to transform RDF triples (or graphs) into another form, typically a web interface in HTML
- Tools binding RDF and SQL
- Large triple stores
- Commercial products, giving more information and details on some of the entries listed on these pages (although most of content has been transferred to this Wiki and incorporated into the individual tool descriptions)
- List of converter tools, converting various format of data to RDF; and its counterpart, another list of converter tools, converting from RDF to various formats.
- Custom RDF dialects, ie various XML dialects or Microformats that have an agreed-upon GRDDL service to convert into RDF
Eventually, these pages should be transferred onto this Wiki, too.
Some years ago, W3C set up a general Wiki page on the ESW Wiki listing Semantic Web tools. The content of that page was entirely maintained and kept up by the Semantic Web community at large. However, the technology behind ESW Wiki makes that site relatively slow to use and it also lacks many features that would make a better management of such lists. Consequently, it was decided to move the content of that page to this site. This, plus the possibilities offered by Semantic Media Wiki, makes it possible to have better search, export of data, etc.
The initial content on tools on this Wiki is identical to the old ESW Wiki page, except that each tool has its own page. The only exception is the few tools listed on the old page that seem to have gone out of existence or where the old URIs delivered no results.