Alternatives to Proxygen

HTTP debugging proxy

HTTP(S) debugging proxy, analyzer, and client

Reverse proxy, secure introspectable tunnels to localhost

Intercept, modify, replay, save HTTP/S traffic

Web debugging Proxy application

Advanced API Debugging Proxy

Network toolbox

HTTP proxy

HTTP client that helps testing and describing APIs

Network tool based on Clash

Testing client for REST, GraphQL, and HTTP APIs

Intercept and modify HTTP requests