Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
TinyNPS - Simple NPS feedback
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
Delighted + NomNom Integration - Turn your NPS responses into product insights
Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.