squidGuard - squidGuard is a URL redirector/blocker.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
E2Guardian - Web filtering solution
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
NxFilter - Best performance. You don't want to slow down your network by installing a network security software. NxFilter is a light-weight DNS filter. It doesn't cause any latency issue in your network.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface