Open Source Mac Security Software

KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.

BleachBit frees disk space and maintains privacy. Cleans cache, Internet history, temporary files, logs, cookies, Firefox, Google Chrome, Flash, Windows, Linux, and more. Downloads are at www.bleachbit.org and source code is at GitHub.

JSignPdf is an open-source Java application that adds digital signatures to PDF documents.

AWStats is a free powerful and featureful server logfile analyzer that shows you all your Web/Mail/FTP statistics including visits, unique visitors, pages, hits, rush hours, os, browsers, search engines, keywords, robots visits, broken links and more

BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.

iAlertU is an alarm system for your Apple MacBook that uses the built in motion detection to trigger the alarm and the iSight to capture the image of the thief. Among many other features, it incorporates the ability for users with iPhone, iPad, or iPod Touch to connect to and control iAlertU remotely.

Passky is a free and open source password manager that is both powerful and easy to use. It is available in multiple languages as an application for Windows, macOS, Linux and Android, but also as an extension for Chrome, Firefox, Edge and Opera web browsers. This password manager helps you keep all your passwords safe : e-commerce sites, applications, social networks, games, etc. With Passky, you can create, manage and store up to 1000 passwords for free in a secure and encrypted way. Besides, Passky has a built-in random password generator to create strong passwords. It also has a well-designed user interface that makes managing your passwords easy. What’s more, you even have the choice of the theme of the application: Dark, Solarized Dark, Tokyo Night, Dracula, Monokai, Blue, Nord, Gray and Light... Finally, note that if you are currently using another password manager, you have the option to import your passwords from all major password managers.

Portable and simple program for text and files encryption (Symmetric, Asymmetric and Steganography)

GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.

Moria is a central http-based authentication service to be used by web services. Moria support both authentication and transfer of user attributes.