Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Forcepoint Web Security Suite - Internet Security
MailClark - The Slack bot for external communications
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...