Radio Silence is an outbound application firewall that lets you block Internet access from individual apps.

Features:
100% Annoyance-free:

Radio Silence respects your concentration. That is why it will never interrupt you with pop-up windows or alerts. Zero Maintenance:
Once Radio Silence is installed, you can forget all about it. It is always on and needs no attention from you. Tiny and Fast:
Radio Silence weighs next to nothing. It doesn’t waste any time or resources, which also makes it blazingly fast. Usable by Anyone:You don’t have to be a network expert to use Radio Silence. It takes care of all the technical details for you. Features:

100% Annoyance-free:
Radio Silence respects your concentration. That is why it will never interrupt you with pop-up windows or alerts. Zero Maintenance:
Once Radio Silence is installed, you can forget all about it. It is always on and needs no attention from you. Tiny and Fast:
Radio Silence weighs next to nothing. It doesn’t waste any time or resources, which also makes it blazingly fast. Usable by Anyone:You don’t have to be a network expert to use Radio Silence. It takes care of all the technical details for you.

Compatibility: macOS 10.15 or later
Homepage https://radiosilenceapp.com/

Screenshots

The easiest network monitor and firewall for Mac. See all network connections — block any app from going online. Powerful privacy for your Mac, usable by anyone: Radio Silence lets you keep a list of apps that aren’t allowed to make network connections.

• Protect your privacy
• Prevent apps from phoning home
• Save on bandwidth and data charges
• Radio Silence is completely invisible

The firewall is invisible and always active. You don’t have to keep any windows open.

• No annoying pop-ups
• No clutter on your screen or dock
• No effect on your Mac’s performanc

What’s New:

Version 3.2:

• Release notes were unavailable when this listing was updated.

Compatibility: macOS 10.15 or later
Homepage https://radiosilenceapp.com/

Screenshots