Best Free Security Software

Fast, secure, efficient backup program

Fast, simple, and secure web browsing

High-performance reverse proxy for NAT traversal

A secure password manager for teams

A browser that organizes tabs into Spaces and adapts to how you browse.

Generate Software Bill of Materials from container images and filesystems

Free backup software to store encrypted backups online

Secure password vault built for teams, with instant sharing and audit trails.

Secure authentication for Next.js apps

Open-source encryption tool that hides file contents, names, and folder structure before cloud sync.

A modern, secure password manager

Advanced offline password cracker supporting hundreds of hash types

Battle‑tested Solidity library for secure smart contract development

Network-wide ad blocking DNS server for homes and small businesses

Secure, self‑hosted development environments for teams

The fast, private, and independent web browser that puts your security first.

Secure password management for Android

Real‑time spatial intelligence from ordinary WiFi signals

Small, simple, secure in-browser image compression

The all-in-one multi honeypot platform for comprehensive network defense.

Interactive application firewall for GNU/Linux

Open-source authentication solution for secure user management

Safe home for all your data

Privacy-focused Segment alternative