GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
TinyWall - Lightweight and non-intrusive firewall
Go Fucking Work - Website blocker so you can get back to your fucking work
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.
SelfControl - V2 updates! - Custom time interval for distraction free mode - Ability to turn off ' always on' mode - Improved UI -- Self Control -- A simple app to keep you focused online by blocking sites that you spend way too much time on.