Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
mitmproxy - mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
PaladinVPN - PaladinVPN is one of the best virtual private network services to protect all data you receive or send over the internet.
Postman - The Collaboration Platform for API Development