Open Source Proxyman Alternatives
Proxyman is described as 'high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains'. There are more than 100 alternatives to Proxyman for various platforms. The best alternative is Tor, which is both free and Open Source. Other great apps like Proxyman are OpenVPN (Freemium, Open Source), Wireshark (Free, Open Source), ProtonVPN (Freemium, Open Source) and WireGuard (Free, Open Source).