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
Ghidra is a software reverse engineering (SRE) framework
Anti-Spam SMTP Proxy Server implements multiple spam filters
deletes junk files to free disk space and improve privacy
Metasploitable is an intentionally vulnerable Linux virtual machine
Browser for using Tor on Windows, Mac OS X or Linux
A cross-platform network scanner that is fast and simple to use
Open source disk encryption with strong security for the Paranoid
A hard drive disk wipe and data clearing utility
An efficient blocker for Chromium and Firefox
Minecraft mod designed to reverse-engineer
PHP/MySQL web application
A collection of malware samples and relevant dissection information
Dynamic instrumentation toolkit for developers
Add digital signatures to PDF documents - GUI and CLI, cross-platform
YouTube Music Desktop App bundled with custom plugins
Open source OSINT tool for gathering data on emails, phones, and IPs
Automated Penetration Testing Agentic Framework Powered by LLMs
Tools to work with android .dex and java .class files
OSINT Framework
Antivirus engine for detecting trojans, viruses and malware
ALL IN ONE Hacking Tool For Hackers
An automated phishing tool with 30+ templates
The OWASP ZAP core project