Viglet Turing AI (https://viglet.com/turing https://viglet.com/turing) is an open source solution (https://github.com/openturing https://github.com/openturing),

Viglet Turing AI (https://viglet.com/turing https://viglet.com/turing) is an open source solution (https://github.com/openturing https://github.com/openturing), which has Semantic Navigation and Chatbot as its main features. You can choose from several NLPs to enrich the data. All content is indexed in Solr as search engine.