Lodex-Linked Open Data Extraction Tool enables to extract large ontology vocabularies out of unstructured data such as document text or social network messages. It runs as service with freebase and DBPedia vocabularies. You can create own ontologies.
GenIe is a tool for genetic or evolutionary hyperparameter optimization with entropy analysis. It is written in Java, but can be used language independent with config files and fitness function process calls.
The Horst graph library offers an easy to use,KISS graph library,without sleepless nights. We searched such a lib for our project Horst, but found no one that fits our performance,flexibility and simplicity needs.