Simple Port Forwarding - Simple Port Forwarding works with WebPages and not directly with your router.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
AUTAPF - Reliable TCP and UDP port forwarding for Windows.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
Robusta Port Forwarder - This tool is created with the primary intention of making it easy to the end user to set forwarding rules in his router....
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.