Browse free open source Security software and projects 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
  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
    Try for free
  • 1
    WinSCP

    WinSCP

    WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.

    WinSCP is a popular free file manager for Windows supporting SFTP, FTP, FTPS, SCP, S3, WebDAV and local-to-local file transfers. A powerful tool to enhance your productivity with a user-friendly interface and automation options like .NET assembly or batch file scripting. Use WinSCP also for file editing, directory synchronization and site management. WinSCP is open-source and well documented. It is available in English and many other languages.
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    Downloads: 280,701 This Week
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  • 2
    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: 221,794 This Week
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  • 3
    x64dbg

    x64dbg

    An open-source x64/x32 debugger for windows.

    An open-source x64/x32 debugger for windows. Development is done on GitHub (https://github.com/x64dbg/x64dbg). Daily snapshots are uploaded here, snapshots for every commit can be found on http://releases.x64dbg.com
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    Downloads: 10,710 This Week
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  • 4
    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: 933 This Week
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  • Powerful cloud-based licensing solution designed for fast-growing software businesses. Icon
    Powerful cloud-based licensing solution designed for fast-growing software businesses.

    A single-point of license control for desktop, SaaS, and mobile applications, APIs, VMs and devices.

    10Duke Enterprise is a cloud-based, scalable and flexible software licensing solution enabling software vendors to easily configure, manage and monetize the licenses they provide to their customers in real-time.
    Learn More
  • 5
    JSignPdf
    JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
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    Downloads: 589 This Week
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  • 6
    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: 338 This Week
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  • 7
    Clam sentinel is a program that detects file system changes and automatically scans the files added or modified using ClamWin. Require the installation of ClamWin. For Microsoft Windows 98/98SE/Me/2000/XP/Vista, Windows 7 and Windows 8.1.
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    Downloads: 228 This Week
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  • 8
    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
    Downloads: 159 This Week
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  • 9
    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: 105 This Week
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  • Rent Manager Software Icon
    Rent Manager Software

    Landlords, multi-family homes, manufactured home communities, single family homes, associations, commercial properties and mixed portfolios.

    Rent Manager is award-winning property management software built for residential, commercial, and short-term-stay portfolios of any size. The program’s fully customizable features include a double-entry accounting system, maintenance management/scheduling, marketing integration, mobile applications, more than 450 insightful reports, and an API that integrates with the best PropTech providers on the market.
    Learn More
  • 10
    FreeOTFE

    FreeOTFE

    A free "on-the-fly" transparent disk encryption program for PC & PDAs.

    An upstream source site housing the original files for this mirror is no longer available. With this software, you can create one or more "virtual disks" on your PC/PDA. These disks operate exactly like a normal disk, with the exception that anything written to one of them is transparently, and securely, encrypted before being stored on your computer's hard drive.
    Downloads: 15 This Week
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  • 11
    AlienVault OSSIM

    AlienVault OSSIM

    Open Source SIEM

    OSSIM, AlienVault’s Open Source Security Information and Event Management (SIEM) product, provides event collection, normalization and correlation. For more advanced functionality, AlienVault Unified Security Management (USM) builds on OSSIM with these additional capabilities: * Log management * Advanced threat detection with a continuously updated library of pre-built correlation rules * Actionable threat intelligence updates from AlienVault Labs Security Research Team * Rich analytics dashboards and data visualization
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    Downloads: 53 This Week
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  • 12
    xpy
    xpy is a small software, securing your Windows 2000/XP/2003 installation and protecting your privacy. In addition to so-called Antispy features, it disables common security threats (RPC/DCOM, LMHash) and increases your Windows performance.
    Downloads: 11 This Week
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  • 13
    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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  • 14
    Browser for Tor with Onion Router

    Browser for Tor with Onion Router

    Browser for Tor based on Dooble & Vidalia as integrated Addon

    Tor now plugs into the Browser. Dooble Web Browser, a secure open source userfriendly tool to explore the web secure over Tor. Steer Tor in the Browser (in Settings/Proxy/Tor) with an Add-On based on Vidalia. Just start the Add-On "Tor" in the Browser Add-On-Menu and in Settings/Proxy.
    Downloads: 17 This Week
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  • 15
    EG ClamNet Antivirus

    EG ClamNet Antivirus

    A simple antivirus that provide a graphical interface for ClamAV

    EG ClamNet Antivirus provides a graphical user interface for ClamAV Executables. EG ClamNet antivirus is simple and user friendly antivirus (currently for Windows OS ) that uses ClamAV as an internal scanning engine to detect trojans, viruses, malware and other known malicious threats. It can be installed on the existing default windows antivirus (Windows Defender) and compatible with it as extra protection. 1) Antivirus & Internet Security: EG ClamNet Antivirus is powered by ClamAV which has fast scanning, detects over 9 millions viruses, malware, worms and trozens. It also protects from MS Office macro viruses, mobile malware, other threats (including known ransomware). 2) Cleaner: EG ClamNet Antivirus has an additional feature of effective cleaning of junk files. With this feature you can optimize your system, increase memory space and system speed by cleaning junk files. Cleaning such junk files improves your system's security and speed-up your system.
    Downloads: 16 This Week
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  • 16
    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
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  • 17
    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: 12 This Week
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  • 18
    Tiny Watcher

    Tiny Watcher

    Monitors system changes on a Windows machine

    Tiny Watcher takes a snapshot of important parts of your Windows system: running processes, files, registry, scheduled tasks. Afterwards, it tracks changes - every time you log in, or whenever you run it. When a change is detected, you are notified.
    Downloads: 10 This Week
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  • 19
    KeexyBox

    KeexyBox

    The box to keep the Internet under your control

    KeexyBox allows you to do parental control, block ads, limit telemetry, and browse the Internet anonymously from your home network without installing any software on your devices. It also can be used to create a public wireless access point with the captive portal. It is a software program which requires a Raspberry PI box and which is installed on Raspbian. It constitutes a cut-off point between your devices (computers, tablets, smartphones, etc.) and your router or Internet box. KeexyBox acts as a default gateway and DNS server for the devices in your home network. It thus intercepts all connections to the Internet to carry out website filtering or to activate browsing via the Tor anonymity network according to connection profiles which you have configured.
    Downloads: 5 This Week
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  • 20
    S.I.P.E.R.

    S.I.P.E.R.

    Advanced website blocking and productivity tool

    A powerful, user-friendly website blocking and productivity application built with modern GTK 4 and Libadwaita. S.I.P.E.R. helps you maintain focus and productivity by blocking distracting websites with advanced features like Pomodoro focus mode, comprehensive statistics, and multi-language support.
    Downloads: 2 This Week
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  • 21
    garysfm

    garysfm

    An advanced file manager with qss themes and iso and folder previews

    garysfm which stands for Gary's File Manager is a file manager with some advanced features. Those features include bulk renaming and folder image previews. I has rather advanced search functions, tab browsing with persistence between launches. It remembers your folder sorting and view options in icon view. It also remembers your active tabs between sessions. It has progress dialog while doing large operations like copying large files, and folders with many files. python version works on mac 11.0.1 or above and on Linux. The exe definitely works on Windows 11 and 10 amd and intel 64 bit systems. the exe is not for arm systems. Full theming engine with qss support for advanced theming in 1.2.4 To use themes other than the default download gsfmt.zip, and qss.zip and extract them to the directory where your garysfm is located. (version 1.2.3 and above for gsfmt and 1.2.4 and above for qss.) 1.2.9 has cloud syncing, bookmarks, tags, and collections, and cleaner
    Downloads: 2 This Week
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  • 22
    phpMussel

    phpMussel

    PHP-based anti-virus anti-trojan anti-malware solution.

    A PHP script designed to detect trojans, viruses, malware and other threats within files uploaded to your system wherever the script is hooked, based on the signatures of ClamAV and others. Un PHP script pour la détection de virus, logiciels malveillants et autres menaces dans les fichiers téléchargés sur votre système partout où le script est accroché, basé sur les signatures de ClamAV et autres. Einem PHP-Script, um Trojaner, Viren, Malware und andere Bedrohungen in Dateien zu entdecken, die auf Ihr System hochgeladen werden könnten, welches die Signaturen von ClamAV und weitere nutzt. Uno PHP script progettato per la rilevazione di trojan, virus, malware e altre minacce all'interno di file caricati nel sistema ovunque lo script è collegato, basato su firme di ClamAV e altri.
    Downloads: 2 This Week
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  • 23
    The Mobility Project wants to make communication simplier and more secure. We use Free (as in Freedom) Software to create tools that are powerful, but also intuitive.
    Downloads: 1 This Week
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  • 24
    PHP Screw is a PHP script encryption tool. When you are developing a commercial package using PHP, the script can be distributed as encrypted up until just before execution, preserving your intellectual property.
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    Downloads: 1 This Week
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  • 25
    keytabGUI
    GUI for Kerberos Keytab files. Associate it with *.keytab extension to view them. JNLP installer page: http://keytabgui.sourceforge.net
    Downloads: 1 This Week
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