RapidMiner is a open-source system for data mining available as a stand-alone application for data analysis and as a data mining engine for the integration into own products.
Useful extensions:
- R Extension (hosted on update server) can be used to execute R scripts and algorithms directly inside RapidMiner processes.
- Weka Extension incorporates all operators available in the Weka package into RapidMiner.
- Text Processing Extension can be used for analyzing texts.
- Web Processing Extension works tightly together with the Text Processing Extension extension and can be used to download data from the Web or crawl Web sites.
Useful resources:
See RapidMiner Wiki for more details.