OntospyWeb is a tool made for navigating ontologies ('vocabularies') encoded using the RDF family of languages. It is based on the Ontospy Python library, which in turns wraps RDFLib.
Here is a short overview and comparison of RDF querying with SPARQL and Jena which is presented as follows: 1. SPARQL; 2. SPARQL from inside Jena; 3. Explicit and implicit relations when querying with Jena 4.Querying remote SPARQL endpoitns
ttl-mode is an Emacs mode for editing Turtle (RDF) files. It's based on the excellent start made by Hugh Haas in n3-mode http://larve.net/people/hugo/2003/scratchpad/NotationThreeEmacsMode.html
S. Staab, J. Lehmann, und R. Verborgh. Companion Proceedings of the The Web Conference 2018, Seite 885--886. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2018)
J. Frey, und S. Hellmann. 13th International Conference on Semantic Systems Proceedings (SEMANTiCS 2017) - Posters & Demonstrations Track, (September 2017)