Shodan - Shodan is the world's first search engine for Internet-connected devices.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Censys - Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.