Browse free open source Security software and projects for Windows and Linux below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • Rezku Point of Sale Icon
    Rezku Point of Sale

    Designed for Real-World Restaurant Operations

    Rezku is an all-inclusive ordering platform and management solution for all types of restaurant and bar concepts. You can now get a fully custom branded downloadable smartphone ordering app for your restaurant exclusively from Rezku.
    Learn More
  • 1
    KeePass

    KeePass

    A lightweight and easy-to-use password manager

    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.
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    Downloads: 230,470 This Week
    Last Update:
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  • 2
    Password Safe

    Password Safe

    Popular easy-to-use and secure password manager

    Password Safe is a password database utility. Users can keep their passwords securely encrypted on their computers. A single Safe Combination unlocks them all.
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    Downloads: 2,120 This Week
    Last Update:
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  • 3
    BleachBit

    BleachBit

    deletes junk files to free disk space and improve privacy

    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.
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    Downloads: 913 This Week
    Last Update:
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  • 4
    AWStats

    AWStats

    AWStats Log Analyzer

    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
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    Downloads: 347 This Week
    Last Update:
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  • Create and run cloud-based virtual machines. Icon
    Create and run cloud-based virtual machines.

    Secure and customizable compute service that lets you create and run virtual machines.

    Computing infrastructure in predefined or custom machine sizes to accelerate your cloud transformation. General purpose (E2, N1, N2, N2D) machines provide a good balance of price and performance. Compute optimized (C2) machines offer high-end vCPU performance for compute-intensive workloads. Memory optimized (M2) machines offer the highest memory and are great for in-memory databases. Accelerator optimized (A2) machines are based on the A100 GPU, for very demanding applications.
    Try for free
  • 5
    Robolinux

    Robolinux

    Announcing Robolinux Cinnamon 14.1

    Announcing The New Robolinux Series 14 Mate LTS - 2034 Robolinux is very pleased to announce a completely new 14.1 Mate privacy centered 1inux operating system you can download freely while also offering our users an optional 14+ advanced upgrade which comes with our Untracker and FAAST Boot along with one click popular privacy software installers like Tor and I2p, Wireshark and Bleachbit plus many more for a fair and reasonable price. Robolinux14.1-Mate is ideal for beginners and advanced users. We are proud that it comes with Enoch AI which is TOTALLY 100% PRIVATE, FREE, HONEST & UNCENSORED built into Robolinux Cinnamon 14.1 The Robolinux 14.1 version with rock solid Long Term Support through 2034! requires users to set secure boot in their BIOS. It is currently available in the Cinnamon desktop flavor. we will release series 14 Xfce version in the next two months.For more information please see Readme file. Warmest regards John Martinson Robolinux.org
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    Downloads: 90 This Week
    Last Update:
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  • 6
    OWASP Mantra - Security Framework

    OWASP Mantra - Security Framework

    Free and Open Source Browser based Security Framework

    OWASP Mantra - Free and Open Source Browser based Security Framework, is a collection of free and open source tools integrated into a web browser, which can become handy for penetration testers, web application developers, security professionals etc.
    Downloads: 41 This Week
    Last Update:
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  • 7
    RetroShare

    RetroShare

    [WARNING] Project has moved to http://github.com/Retroshare/Retroshare

    [IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.
    Downloads: 12 This Week
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  • 8
    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.
    Downloads: 9 This Week
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  • 9
    USB Paranoiac

    USB Paranoiac

    USB Security Scanner on Linux

    This program allows you to examine suspicious USB storage devices before plugging them into your Windows computer. This is not an antivirus; it does not have heuristic or automatic detection-cleanup features. Just so you know, executable files are worth your attention. You decide whether they're dangerous or not. https://github.com/shampuan/USB-Paranoiac
    Downloads: 5 This Week
    Last Update:
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  • Easy-to-Use Website Accessibility Widget Icon
    Easy-to-Use Website Accessibility Widget

    An accessibility solution for quick website accessibility improvement.

    All in One Accessibility is an AI based accessibility tool that helps organizations to enhance the accessibility and usability of websites quickly.
    Learn More
  • 10
    Passky Desktop Application

    Passky Desktop Application

    Simple, modern, lightweight and open-source password manager

    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.
    Downloads: 11 This Week
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  • 11
    HTTP Anti Flood/DoS Security Module

    HTTP Anti Flood/DoS Security Module

    Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks

    This module provides attack surface reduction enhancements against the HTTP Flood Attacks at the web application level. Massive crawling/scanning tools, HTTP Flood tools can be detected and blocked by this module via htaccess, firewall or iptables, etc. (like mod_evasive) You can use this module by including "iosec.php" to any PHP file which wants to be protected. You can test module here: http://www.iosec.org/test.php (demo) Watch the Proof of Concept video: http://goo.gl/dSiAL Hakin9 IT Security Magazine Article about IOSEC http://goo.gl/aQM4Di (different format -> http://goo.gl/JKMUPN) IJNSA Article at http://goo.gl/LLxRdX WP Plugin Page http://goo.gl/nF5nD CHANGES v.1.8.2 - Iptables Auto Ban Bash Script Included - Token Access via Implicit Deny - Reverse Proxy Support - reCAPTCHA Support Do you want more features? Check for third party addons http://sf.net/projects/iosecaddons Gökhan Muharremoğlu
    Downloads: 2 This Week
    Last Update:
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  • 12
    LazLock

    LazLock

    Free, cross platform, portable password manager.

    The latest version of LazLock is at https://github.com/cyberfilth/LazLock/releases A free, lightweight, portable password manager for Windows & GNU/Linux that encrypts your data with 128 bit AES encryption. LazLock also includes a password generator which allows you to create more secure passwords. A plain text version of your data is never written to disk as all decryption is done in memory. LazLock is truly portable, no installation is required so it can be run from a USB drive. Unlike similar programs, there are no dependencies on the .NET Framework (Windows) or Mono (Linux) ------------------------------------- Easily Copy and Paste your login details into any website without having to manually type them out. Your passwords aren't shown on screen so you can use LazLock in front of others without compromising your security. Generate more secure passwords for the websites that you visit, you only need to remember one password to unlock them all.
    Downloads: 3 This Week
    Last Update:
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  • 13
    Calypso is a file sharing client using the anonymous network MUTE. Developped using C++ and Qt. For windows and linux, portable to other environments.
    Downloads: 1 This Week
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  • 14
    VERISIL - Secure Data Deletion Technology And Library ® is perfectly developed and open source secure data removal library. The name of project is Turkish (means "CLEAN DATA"). VERISIL is developed in delphi, compatible with Lazarus & FreePascal.
    Downloads: 1 This Week
    Last Update:
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  • 15
    Dr. Crypt Encryption Algorithm & Library
    DrCrypt, based on basic xor(exclusive or) encryption which is designed to be fast and reliable. Also DrCrypt supports 3 platform.(Java, .NET, Win32)
    Downloads: 0 This Week
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  • 16
    Fake Ssh Manager

    Fake Ssh Manager

    Sends ssh password to your e-mail with fake form

    Fake Ssh Manager is a fake form which sends root password to your e-mail. Can be use for social engineering and phishing attacks. You can change the form according to your target *************************** Fake Ssh Login fake formuyla root şifresini size e-mail yoluyla gönderir Sosyal mühendislik saldırılarında kullanabilirsiniz. Formu hedef siteye göre değiştirebilirsiniz.
    Downloads: 0 This Week
    Last Update:
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  • 17
    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.
    Downloads: 0 This Week
    Last Update:
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  • 18
    Stealth VM For Linux Mint

    Stealth VM For Linux Mint

    Run Windows XP & 7 Virus Free Inside Linux Mint

    Announcing Stealth VM Software for all Linux Mint Editions. http://robolinux.org/lm This is great news for Windows XP Users who either cannot afford or simply do not want to upgrade to Windows 7 or 8 when XP expires! Are You one of the many new Linux Mint Users around the world who are migrating from Windows XP to Linux because you don't want to to be forced to spend hundreds of dollars or throw away your PC or laptop that is in perfectly good working condition? If you are like most Windows XP Users who are just switching to Linux you are worried about being able to run your Windows applications. Indeed that is a problem you are looking to solve as quickly as possible. Stealth VM has solved your Windows to Linux migration dilemma already! You don't need to worry about viruses or malware infecting Windows & its data because the Stealth VM Software invented by Robolinux keeps a protected clone of Windows and mirrors your data in a secure Linux Mint partition.
    Downloads: 0 This Week
    Last Update:
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  • 19
    Stealth VM For Ubuntu & All Derivatives

    Stealth VM For Ubuntu & All Derivatives

    Run Windows XP & 7 Virus Free Inside Ubuntu & All Derivatives

    Announcing Stealth VM Software for Ubuntu & Derivatives! http://robolinux.org/ubuntu This is great news for Windows XP Users who either cannot afford or simply do not want to upgrade to Windows 7 or 8 when XP expires! Are You one of the many new Ubuntu Users around the world who are migrating from Windows XP to Linux because you don't want to to be forced to spend hundreds of dollars or throw away your PC or laptop that is in perfectly good working condition? If you are like most Windows XP Users who are just switching to Linux you are worried about being able to run your Windows applications. Indeed that is a problem you are looking to solve as quickly as possible. Stealth VM Software has solved your Windows to Linux migration dilemma already! You don't need to worry about viruses or malware infecting Windows & its data because Stealth VM Software invented by Robolinux keeps a protected clone of Windows and mirrors your data in a secure Ubuntu Linux partition.
    Downloads: 0 This Week
    Last Update:
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  • 20
    WipeOut - Secure Data Erase and Privacy
    WipeOut is secure data deletion method & application. WipeOut method is designed to be fast and secure. WipeOut also has many sub schemes for faster (but not weak) wipe process .
    Downloads: 0 This Week
    Last Update:
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  • 21

    kedi

    kedi şifreleme projesi

    "kedi" şifreleme, veri bütünlüğü ve rastgele sayı üretim algoritmalarını bünyesinde barındıran, tamamen özgün ve açık kaynak kodlu bir kriptoloji projesidir. Proje uygulamayı göstermesi için bir .exe dosyası içeren proje ile birlikte sunulmuştur.
    Downloads: 0 This Week
    Last Update:
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