Alternatives to Radio Silence
A lightweight outbound firewall and network monitor for macOS that blocks individual apps from the internet. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Radio Silence
A lightweight outbound firewall and network monitor for macOS that blocks individual apps from the internet.
Replacements
Listings that take over the same core job as Radio Silence.
Little Snitch
macOS application firewall that prompts on outgoing connections.
Little Snitch prompts on each new outgoing connection instead of relying on manual blocking, and adds a network monitor, sold as a one-time paid macOS licence.
LuLu
Control outbound application connections on macOS.
LuLu is a free, open-source GPL-3.0 macOS firewall for outbound connections, replacing the one-time purchase of closed-source Radio Silence.
Intego Mac Internet Security
A commercial Mac security suite combining real-time antivirus, an outbound firewall, cleanup tools and a VPN.
Intego Mac Internet Security bundles an outbound firewall with antivirus, cleanup tools and a VPN, sold as a paid subscription rather than a one-time price.
Similar software
Related functionality, not a direct replacement.
OverSight
Receive macOS alerts about microphone and camera activity.
KnockKnock
Lists the software configured to persist on a Mac.
BlockBlock
A macOS tool that alerts you whenever software adds itself to a persistence location.
TaskExplorer
macOS tool that inspects running processes, their libraries, files and network connections.
Picosnitch
A Linux daemon that monitors network traffic per executable and alerts when new programs connect.
