Proxycap - ProxyCap empowers you to divert your PC’s system associations through intermediary servers.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
Proxy SwitchyOmega - Proxy SwitchyOmega is the updated version of the proxy settings for easily switching and managing the multiple proxy servers and files within minutes.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
FoxyProxy - FoxyProxy is a set of proxy and proxy switcher to reach the content of international market and easily switch between multiple proxies and proxy servers.
HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.