https://en.wikipedia.org/wiki/Analysis_of_competing_hypotheses https://www.spiderfoot.net/
Aside from Maltego and Splunk, I need to investigate the other tools:
- Anomali Avalon CyberSponse CyberToolbelt Demisto DomainTools Maltego Phantom Polarity Recorded Future Siemplify Splunk Swimlane ThreatConnect ThreatQuotient TruSTAR https://www.dataprovider.com/ https://www.farsightsecurity.com/trial-api/ - DNSDB
... is mirrored here: https://i.imgur.com/AJ0W2xW.jpg