NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
NetLimiter - NetLimiter is an ultimate Internet traffic control and monitoring tool designed for Windows.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
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.