Symantec Email Security.cloud - Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface