A query aggregator for OSINT based threat hunting

This plugin provides native network instrumentation for monitoring and metrics collection, including: hardware, TCP response, RBLs, whois, port status, and more

This plugin provides native DNS instrumentation for monitoring, including: record resolution

Add some nice ActiveModel/ActiveRecord validators.

A scanner for basic network fingerprints

https://github.com/0dayinc/pwn/README.md

Get a list of available domains 1 bit away from a given domain

Check expiration dates of a single domain or list of domains

A simple gem checking for domain expiry.

A simple gem checking for domain expiry.

Asynchronous WHOIS queries via EventMachine (based on synchronous whois gem)

Use this command line tool to find homograph attacks.

A simple reconnaissance command-line application.

Bulk domain & package name availability checker

Better websites on Rails.

A collection of tools to dissect and report on phishing emails

A typo-squatting and phishing domain detector.