You can download the source code and data for Ardent Insight.
More information about this software.
The software consists of three components; this website, a REST API and a service that processes the data stream from EDDN.
You can download data as compressed SQLite Database files.
These downloads are updated weekly during the in-game maintenance window from 07:00-09:00 UTC on Thursdays.
You may wish to avoid downloading these files during the maintenance window to avoid interruption when the downloads are updated.