Browse free open source Security software and projects for Linux 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
An easy-to-use anti-spam email gateway
Anti-Spam SMTP Proxy Server implements multiple spam filters
Metasploitable is an intentionally vulnerable Linux virtual machine
A hard drive disk wipe and data clearing utility
Browser for using Tor on Windows, Mac OS X or Linux
A Windows password cracker based on rainbow tables
deletes junk files to free disk space and improve privacy
A cross-platform network scanner that is fast and simple to use
PHP/MySQL web application
A network stress testing application
Open source disk encryption with strong security for the Paranoid
Mature LDAP, LDIF and DSML client with i18n support.
Ghidra is a software reverse engineering (SRE) framework
Dynamic instrumentation toolkit for developers
Open Source H.264 Codec
The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks
The OWASP ZAP core project