Censys

Pulsedive

SecurityTrails API provides access to a vast repository of historical DNS lookups, WHOIS records, hostnames, and domains for cyber forensics and investigations.

pytm

Malware Patrol offers a range of threat intelligence solutions, including enterprise data feeds, DNS firewall, phishing threat intelligence, and small business protection.

Python IOC Editor v0.9.8

A PowerShell script to interact with the MITRE ATT&CK Framework via its own API using the deprecated MediaWiki API.

PyIntelOwl

A daily collection of IOCs from various sources, including articles and tweets.

QRadio

CINSscore.com provides Threat Intelligence database with accurate IP scores and collective defense through community and Sentinel IPS unit sourced data.

PSHunt

An Open Source solution for management of Threat Intelligence at scale, integrating multiple analyzers and malware analysis tools.