When I suddenly fall into a flow state (rarely but happens) I don’t want to be distracted by new messages in Slack or Telegram. To help me with that I use Quitter to close all such apps after a certain time. - Source: dev.to / 3 months ago

Https://marco.org/apps Quitter for Mac. It’s free and quits or hides your chosen apps after a specified amount of inactivity. Source: about 1 year ago

I use Quitter by Marco: https://marco.org/apps I have a few dozen apps set to quit after specific periods of time. This allows me to resume certain apps an hour or more later (VLC, Figma), while others shut down only 10 minutes after I use them (Messages, Calculator). - Source: Hacker News / over 1 year ago

I feel Quitter has more options than this. Source: over 1 year ago

Sounds like Quitter would work, https://marco.org/apps. Source: over 1 year ago

The first two can be handled by firewall. Little Snitch for example: https://obdev.at/products/littlesnitch/index.html. Source: over 1 year ago

If you want more control over outgoing traffic, there’s commercial stuff like Little Snitch or the similar free tool LuLu from Objective-See. Source: almost 2 years ago

Objective Development's Little Snitch. It's been the first piece of software I've installed on every Mac I've owned in the last 20 years. Source: over 2 years ago

Little Snitch? https://obdev.at/products/littlesnitch/index.html. Source: almost 3 years ago

If you want to block it at the network/DNS level you could edit the hosts file or use something like Little Snitch to monitor (and block) outgoing connections. Source: about 3 years ago