pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
IPFire - IPFire is a server distribution with intended to use as a firewall.
James - James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from...