WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Messenger Day by Facebook - Share your day in Messenger
Intruder - Intruder is a security monitoring platform for internet-facing systems.
FastAd Market - Advertise on any social media platform using just one Ad. Make money when you share other Ads on the timeline.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.