A free and open source interactive HTTPS proxy
A TLS MITM proxy for Non-HTTP traffic, with support for TLS upgrades
Anti-Spam SMTP Proxy Server implements multiple spam filters
A simple SSL/TLS proxy with mutual authentication
A lightweight and powerful iOS framework for intercepting HTTP/HTTPS
Network Load Balancer and Application Security
SKUDONET Open Source Load Balancer and Web Application Firewall
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
A anti-phishing Python script with headers and proxies!
A HTTP proxy that logs everything flowing through it
Small Content Filtering And Web Acceleration Appliance
An on-path blackbox network traffic security testing tool
A flexible, extendable content filter