Micro Snitch - Micro Snitch is an ultra-light menu bar application that operates inconspicuously. It helps figuring out if someone’s spying on you.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Oversight - Get notified when an app accesses your Mac's camera or mic
TinyWall - Lightweight and non-intrusive firewall
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.
WebOProxy - WebOProxy is the most advanced free web proxy service which powered by Tor network. Use Proxy Site to bypass filters and unblock blocked sites like facebook, video streaming sites like youtube and other sites anonymously.