Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
YogaDNS - YogaDNS automatically intercepts DNS requests at the system level and allows you to process them...
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.
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.
BIND - BIND is by far the most widely used DNS software on the Internet.