From Semantic Web Standards

Tools that can perform reasoning tasks, typically based on RDFS, OWL, or some rule engine. It is a subcategory of “Tool”

Some of the tools are part of a larger tool (programming environment like Jena, or triple store like Oracle Spatial) whereas others can be added to existing environments to add and/or improve reasoning capabilities (eg, Pellet, that can be “added” both to Jena or Oracle Spatial).

Latest releases

The description of the following tools in this category have been added and/or modified most recently.

(Note that you can browse tools per Semantic Web technologies or programming languages, too.)