Skype for Slack - Move your slack discussions to a group skype call

Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.

Calls on Slack - Make voice calls in Slack

BreachLock - BreachLock is a versatile platform that provides scalable and smooth penetration testing services for vulnerabilities.

CallKite - Your website’s video call center in just one click.

Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.