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Charles

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Cellist

Cellist

Cellist is a HTTP debugging proxy for OS X. ---How does it work?--- Cellist puts a proxy between HTTP clients and the Internet ...