E2Guardian - Web filtering solution
UI Faces - Avatars for design mockups
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Nucleus UI - Free UI component library to create mockups in Figma quickly
CacheGuard-OS - CacheGuard is an enterprise grade Web Gateway solution offering Web Security & Optimization in the same box. Price starting at $99 per Year!
lstore.graphic - Mockup Scene Creator