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.




Comments about Portmaster as an Alternative to RethinkDNS
Portmaster is the most popular Windows & Linux alternative to RethinkDNS.
Portmaster is the most popular Open Source & free alternative to RethinkDNS.
- Portmaster is Freemium and Open Source























































Very powerful and clean firewall.