It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc. of any app



NetGuard is described as 'Provides simple and advanced ways to block access to the internet - no root required' and is a Firewall in the security & privacy category. There are more than 25 alternatives to NetGuard for a variety of platforms, including Android, Mac, Android Tablet, F-Droid and Windows apps. The best NetGuard alternative is AdGuard, which is both free and Open Source. Other great apps like NetGuard are simplewall, RethinkDNS, Athena - Firewall & Adblocker and AdAway.
It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc. of any app



Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between TinyWall's security and SimpleWall's functionality.




Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.



Tiny Shield keeps your network safe by watching all connections and stopping bad stuff before it can harm your computer. Tiny Shield keeps an eye on everything your Mac connects to, making sure you can see all your internet activity in one place.




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.




Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall. It provides a command line interface and aims to be uncomplicated and easy to use.

Blocker is a component controller for Android applications that currently supports using PackageManager and Intent Firewall to manage the state of components. It can be seamlessly switched between these controllers, and for application rules, you can export and import them.



A fundamental re-design of user Data Privacy. Your multi-tool for online protection. So easy your grandma could use it. Costs less than a cup of coffee per year.



Lockdown Privacy is an Open Source and free firewall for your iOS device. We built the product to help protect users from app developers and analytics companies that are monetizing user data without consent or transparency.



Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges and IP sets.

Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.



Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.

