Go Fucking Work might be a bit more popular than netfilter. We know about 1 link to it since March 2021 and only 1 link to netfilter. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The netfilter subsystem handles this, it's part of the Linux Kernel and part of all linux distros that don't use a custom kernel. You can read more about it here. Source: about 3 years ago
I plan to have this addon running w/reddit added on those days because I don't trust myself. Source: about 1 year ago
Murus Firewall - Murus is a frontend for the OS X PF network firewall.
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Gufw - Gufw is an easy, intuitive way to manage your Linux firewall.
UnDistracted App - Use social media in a useful way. Control Facebook, YouTube, Twitter, Reddit, Netflix and LinkedIn in a responsible way.
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.
Escape - Track all your unnecessary trips to distracting websites