Trace - Visualized Node.js monitoring
Polipo - A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server).
WeBlock - Weblock allows you to block online content.
Artica Proxy - Artica Proxy is an appliance that claim to manage Squid-cache proxy with all features that Squid...
Safari AdBlocker - Safari AdBlocker is the only 64-bit ad blocker built for Mac OS X 10.
Privoxy - Privoxy helps users to protect their privacy.