Proxifier - Proxifier extends the advantages of a proxy server to network applications that don't natively support it.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
FreeCap - FreeCap - is a program for transparency redirect connections from programs through SOCKS server.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
redsocks - Redsocks is a daemon running on the local system, that will transparently tunnel any TCP connection...
HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.