Best Free Security Software

Safe home for all your data

Privacy-focused Segment alternative

Generate Software Bill of Materials from container images and filesystems

Real‑time spatial intelligence from ordinary WiFi signals

Distributed operating system for blockchain app builders

Bitwarden‑compatible vault hosted on Cloudflare Workers for free

Free backup software to store encrypted backups online

Free open-source Android app for secure 2-step verification tokens.

Secure authentication for Next.js apps

Advanced offline password cracker supporting hundreds of hash types

A secure password manager for teams

A modern, secure password manager

Interactive application firewall for GNU/Linux

Patch-level verification for Bundler

Automate OSINT for threat intelligence and attack surface mapping

Simple vaultless password manager in Go

Deduplicating backup solution