Virusdie - All-in-One cloud-based, simple, powerful and gorgeous website security tools built for everyone.
The Security Checklist - The Practical Security Checklist for Web Developers
Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.
iCompaas - Cloud infrastructure Compliance, CyberSecurity and Cost Saving as-a-Service
Chaos Toolkit - A chaos engineering toolkit to help you build confidence in your software system
Signed Pages - A browser extension to verify the authenticity of websites