Radio Silence

radio-silence · v3.4

7.0

Network monitor and firewall

brew install --cask radio-silence

Compare with: vs. LuLu vs. Little Snitch vs. OverSight vs. BlockBlock

Note: radio-silence requires a kernel extension to work. If the installation fails, retry after you enable it in: System Settings → Privacy & Security For more information, refer to vendor documentation or this Apple Technical Note: https://developer.apple.com/library/content/technotes/tn2459/_index.html

30-day installs

90-day installs

237

365-day installs

Install trend

Trust Score 2/10

✗ Open source +0

✗ Active development +0

✗ Licensed +0

✗ No auto-updates +0

✓ Not deprecated +1

✓ Established (>1yr) +1

✗ Low installs +0

Version History

v3.4

9d ago3.3→3.4

Review

Mar 11, 2026

Radio Silence is a user-friendly macOS firewall and network monitor that offers essential security features for privacy-conscious users. It provides real-time activity tracking and application control, making it ideal for those seeking a lightweight yet effective security solution.

Radio Silence is a network monitor and firewall application for macOS.

Maturity: The project appears to be in an early stage with limited community support, as indicated by low GitHub activity and a significant number of open issues.

Community: Community feedback is mixed, with some users appreciating its ease of use and effectiveness, while others have pointed out issues with background activity and a lack of updates from the developers.

Pros

+ User-friendly interface for managing firewall and network settings.
+ Lightweight and efficient, providing essential security without heavy resource usage.
+ Free and open-source, making it accessible to a wide range of users.