HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
DevTest - Test management solution for efficient quality assurance
YesWeHack - Global Bug Bounty & Vulnerability Management Platform
dotCover - JetBrains dotCover is a .NET unit test runner and code coverage tool that integrates with Visual Studio.
Bugcrowd - Harness the largest pool of curated and ranked security researchers to run the most efficient bug bounty and penetration tests
ReadyAPI Performance - ReadyAPI Performance is a platform that offers Load Testing for REST and SOAP APIs, Microservices, and Databases.