HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
SafeHats - Safehats is providing bug bounty and vulnerability disclosure services to enterprises.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
YesWeHack - Global Bug Bounty & Vulnerability Management Platform
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.