Best Free Security & Privacy

Ranked by community votes · Free only

The Tor Project

Defend yourself against tracking and surveillance

Secure communication protocol used in WhatsApp, Facebook Messenger, and other apps

Open source home automation that puts local control and privacy first

Ad blocker and privacy tool for individuals

Linux-based mobile operating system for European markets

Linux mobile operating system for freedom and flexibility

Protect your anonymity online with Tor Browser.

refinement checking software tool

command-line vulnerability scanner

computer security testing tool