• Wittgenstein IDP: The Nachlass in interactive dynamic presentation (continuous update)

  • Wittgenstein SFB: Wittgenstein resources by semantic faceted search and browsing (continuous update)

  • Wittgenstein Source: The Bergen Nachlass Edition and other primary sources (last update August 2022)

  • Wittgenstein WiTTFind: The Finder app for Nachlass text search (last update March 2020)

  • Wittgenstein XML TEI: The Nachlass in XML TEI transcription (5000 pages CC BY-NC, 15000 pages for fair use; last update February 2022)

  • Wittgenstein OWL: Wittgenstein resources in ontology representation (continuous update)