AWS WAF vs Virgil Security: What are the differences?

AWS WAF: Control which traffic to allow or block to your web application by defining customizable web security rules. AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources; Virgil Security: We make every developer into an applied cryptologist. Virgil consists of an open-source encryption library, which implements CMS and ECIES(including RSA schema), a Key Management API, and a cloud-based Key Management Service.

AWS WAF and Virgil Security can be categorized as "Security" tools.

Virgil Security is an open source tool with 139 GitHub stars and 12 GitHub forks. Here's a link to Virgil Security's open source repository on GitHub.