Exodus.io - All-in-one app to secure, manage and exchange blockchain assets.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Jaxx - Jaxx.io is a blockchain wallet available as desktop software, a mobile app, or as a Chrome extension
Intruder - Intruder is a security monitoring platform for internet-facing systems.
Toshi - A browser for the Ethereum network
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.