https://opensemanticsearch.org
Integrated search server, ETL framework for document processing (crawling, text extraction, text analysis, named entity recognition and OCR for images and embedded images in PDF), search user interfaces, text mining, text analytics and search apps for fulltext search, faceted search, exploratory search and knowledge graph search
Git repositories which have to be in parallel folders:
open-semantic-etl open-semantic-search-apps open-semantic-entity-search-api open-semantic-visual-graph-explorer tika-server.deb solr.deb solr-php-ui tika-python solr-ontology-tagger spacy-services.deb cytoscape.js cytoscape.js-panzoom