The best Privacy Tool alternative to Little Snitch is Portmaster, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Little Snitch and nine of them are Privacy Tools so hopefully you can find a suitable replacement. Other interesting Privacy Tool alternatives to Little Snitch are NetGuard, OpenSnitch, InviZible Pro and App Manager.
Free, open-source privacy suite monitoring all network activity, blocking unwanted connections, using trusted filter lists for ads and malware, enforcing DNS-over-TLS, providing custom app and global rules, and supporting advanced privacy management.
NetGuard provides simple and advanced ways to block access to the internet - no root required.
InviZible Pro uses DNSCrypt Protocol, Tor and i2pd (I2P Daemon) (PurpleI2P) to achieve maximum security, privacy and comfortable use of the Internet.
It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc. of any app
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.
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.
Receive notifications whenever a new program connects to the network, or when it's modified
Firewalla is a vital security addition to every home and small business with network and IoT devices.
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It is open source. It seems good even if the last commit was 2 years ago