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.




Portmaster is the most popular Windows & Linux alternative to Little Snitch Mini.
Portmaster is the most popular Open Source & free alternative to Little Snitch Mini.
- Portmaster is Freemium and Open Source
- Portmaster is Privacy focused and Lightweight























































