HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support