Company 2K Yachting Kraus & Kraus GbR created these great apps:
Ship's Bell, Logbuch 2, World Ensigns, Maritime Ensigns of Europe, Logbook, Lighthouses of the Balearic Islands – Mallorca, Lighthouses of the Balearic Islands – Ibiza+ Formentera, Lighthouses of the Balearic Islands – Menorca, Lighthouses of the Balearic Islands, Lighthouses of the Balearic Islands – Free, LogbookNMEA connect, SignalFlags Tool, Logbook Suite, BoardCash, RegattaPlanner, Logbook Suite PhoneTools, Logbook Lite, and others..
