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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Cut Cloud Costs with Google Compute Engine Icon
    Cut Cloud Costs with Google Compute Engine

    Save up to 91% with Spot VMs and get automatic sustained-use discounts. One free VM per month, plus $300 in credits.

    Save on compute costs with Compute Engine. Reduce your batch jobs and workload bill 60-91% with Spot VMs. Compute Engine's committed use offers customers up to 70% savings through sustained use discounts. Plus, you get one free e2-micro VM monthly and $300 credit to start.
    Try Compute Engine
  • 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: 213,962 This Week
    Last Update:
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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: 196,711 This Week
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  • 3
    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: 1,996 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: 1,926 This Week
    Last Update:
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  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • 5
    JSignPdf
    JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
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    Downloads: 619 This Week
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  • 6
    winPenPack

    winPenPack

    The portable software collection

    winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable!
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    Downloads: 560 This Week
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  • 7
    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: 317 This Week
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  • 8
    FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent encryption, Linux support and much more...
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    Downloads: 410 This Week
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  • 9
    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: 35 This Week
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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 10
    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.
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    Downloads: 77 This Week
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  • 11
    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: 88 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: 23 This Week
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  • 13
    Universal Password Manager

    Universal Password Manager

    Store all your passwords in one secure encrypted database.

    Universal Password Manager allows you to store all your passwords in one highly secure encrypted database. Its strengths are simplicity, portability and security (uses 128bit AES encryption). UPM is available on Android, Windows, OS X & Linux.
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    Downloads: 17 This Week
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  • 14
    ZoneMinder is video and cctv surveillance and security application. It supports multiple video or IP cameras and a sophisticated motion detection system based around zones. Both live streams and historic events can be viewed via the web interface.
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    Downloads: 17 This Week
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  • 15
    PortableSigner
    PortableSigner is a tool for digital signing (with X.509 certificates) of PDF files
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    Downloads: 12 This Week
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  • 16
    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: 5 This Week
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  • 17
    THIS PROJECT HAS BEEN ABANDONED SINCE 2007, NO SUPPORT WILL BE PROVIDED. Winpooch is a watchdog for Windows (2000, XP, 2003, but only 32-bits). It detects modifications in your system, so as to detect a trojan or a spyware installation. It also includes a real-time anti-virus. Set your own security level for anti-spyware, ant
    Downloads: 7 This Week
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  • 18
    gnoMint

    gnoMint

    An easy CA managing tool for graphical and command line environments

    An easy CA managing tool for graphical and command line environments.
    Downloads: 8 This Week
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  • 19
    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
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  • 20

    Free-SA

    Free-SA is report generating tool for web, proxy and mail log files

    Free-SA is logs processor and report generating tool. It can be used to control traffic usage, to evaluate conformance to the Internet access security policies, to investigate security incidents, to evaluate web server efficiency and to detect troubles with server configuration.
    Downloads: 1 This Week
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  • 21
    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: 4 This Week
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  • 22
    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: 2 This Week
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  • 23

    SteghideGUI

    Steghide GUI is perfect C++/Qt app for embedding and extracting data

    Steghide is a steganography program that is able to hide data in various kinds of image- and audio-files. The color- respectivly sample-frequencies are not changed thus making the embedding resistant against first-order statistical tests. SteghideGUI is Qt GUI with various features. It supports steganography capacity counter (also supports UTF8 and compression). It serves like a educational demonstration of embedding process. You can also view cover and stegogram in custom image viewer.
    Downloads: 2 This Week
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  • 24
    ASProxy

    ASProxy

    Project moved to https://github.com/salarcode/ASProxy

    This project is moved to https://github.com/salarcode/ASProxy ASProxy is a free and open-source service which allows the user to surf the net anonymously. It hides your identity and allows you to pass any filtering system. ASProxy supports most current web technologies such as AJAX, HTTPS, JavaScript, FTP and so on
    Downloads: 1 This Week
    Last Update:
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  • 25

    Amiti Free Antivirus

    Effective and easy to use free antivirus

    Effective and easy to use free antivirus for your PC. Protects against viruses, trojans, worms and malware. Amiti Antivirus has built-in real-time memory shields, scheduling, multiple skin and translations support. Uses famous clamav antivirus engine library.
    Downloads: 0 This Week
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