A graph of EVE Online's (non-wormhole) systems in JSON format (both pretty-printed and "compressed"), generated from the static data export.
In addition to a map of all systems in data/universe.json,data/universe_pretty.json, there are also individual files for each region in, eg, tenerifis.json,tenerifis_pretty.json.
The given extract.rb script reads from a local sqlite database. Used a conversion of CCP's export from https://www.fuzzwork.co.uk/dump/rubicon-1.2-94438/