mitmproxy implemented with golang
Lightweight service virtualization/ API simulation / API mocking tool
About MayWeb is a lightweight, beautifully designed local development
Martian is a library for building custom HTTP/S proxies
Free and Open Source Sensor Observation Service Data Management System
An extensible proxy for PC/Mobile/APP developer
A cross platform http sniffer with a web UI
An encrypted HTTP server
HTTProvjera is a program that provides you with a way to web monitor