21 sats \ 2 replies \ @davidw 19 Mar \ on: Meet Radio Silence, a Network monitor and firewall for Mac tech
LittleSnitch is another great option if you want more customisation and control.
The blurb Radio Silence has at the bottom of their page even reads "A hassle-free, and cheaper, alternative to its cousin Little Snitch."
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Indeed. That was the first one I learned about. It's fully featured for power users.
Yet another option is TripMode
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