Stronghold is described as 'Easily configure macOS security settings from the terminal' and is an app in the security & privacy category. There are nine alternatives to Stronghold for a variety of platforms, including Mac, Android, Linux, Android Tablet and F-Droid apps. The best Stronghold alternative is NetGuard, which is both free and Open Source. Other great apps like Stronghold are Little Snitch, OpenSnitch, LuLu and Tiny Shield.
Offers detailed per-app internet control for Android with no root required, blocks Wi-Fi and mobile connections, supports IPv4/IPv6, privacy-focused, usage logging, system app blocking, tethering support, various notification settings, and material themes.
Netherlands
EU
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
AustriaEU
GNU/Linux firewall enabling interactive outbound network filtering, outbound application control, blocking of ads and malware domains, centralized GUI node management, input policy configuration, SIEM integration, real-time alerts, and user-level rule customization.
ItalyEU
Free shared-source firewall for macOS blocking unknown outbound connections unless approved, alerts for unauthorized activity, helps detect malware, blocks OS or app data transmissions, no ads or tracking, audit-ready code on GitHub, enterprise event monitoring.
United States
Monitors all network activity on Mac, blocks specific domains, websites, or entire apps, shows hostnames instead of IPs, supports DNS over HTTPS, provides traffic charts, uses fast system extension, developer-friendly, one-time purchase with no subscription required.
United States
As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.
AustriaEU
Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
FinlandEU
India
