Browse free open source Security software and projects for Mac below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.
A lightweight and easy-to-use password manager
Anti-Spam SMTP Proxy Server implements multiple spam filters
Metasploitable is an intentionally vulnerable Linux virtual machine
Browser for using Tor on Windows, Mac OS X or Linux
Dynamic instrumentation toolkit for developers
PHP/MySQL web application
Ghidra is a software reverse engineering (SRE) framework
A hard drive disk wipe and data clearing utility
Open source disk encryption with strong security for the Paranoid
Automated Penetration Testing Agentic Framework Powered by LLMs
A cross-platform network scanner that is fast and simple to use
deletes junk files to free disk space and improve privacy
Minecraft mod designed to reverse-engineer
Real-time global intelligence dashboard
Program for determining types of files for Windows, Linux and MacOS
An efficient blocker for Chromium and Firefox
YouTube Music Desktop App bundled with custom plugins
Cross-platform multi-protocol VPN software
Repo for Blokada apps
The OWASP ZAP core project
Zero-config tool to make locally trusted development certificates
Mature LDAP, LDIF and DSML client with i18n support.
The first messaging platform operating without user identifiers