Google Titan - A 2FA device to protect yourself from hackers
Instant 2FA - Add two-factor auth to any site in minutes
Base API - API for authentication, email sending, images and more!
Two Factor Auth (2FA) - List of websites and whether or not they support 2FA
Jaxx - Jaxx.io is a blockchain wallet available as desktop software, a mobile app, or as a Chrome extension
Keepsafe VPN - Protect privacy on WiFi hotspots & sites around the world