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.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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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
  • 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: 204,643 This Week
    Last Update:
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  • 2
    Cntlm is an NTLM / NTLMv2 authenticating HTTP/1.1 proxy. It caches auth'd connections for reuse, offers TCP/IP tunneling (port forwarding) thru parent proxy and much much more. It's in C, very fast and resource-efficient. Go to http://cntlm.sf.net/
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    Downloads: 524 This Week
    Last Update:
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  • 3
    CamDesk

    CamDesk

    The Desktop Webcam Widget

    CamDesk is a free, open source, desktop webcam widget, that was created as home surveillance application. Although others have used it for demonstrations even with CamStudio, and QuickTime Player for screen casting.
    Downloads: 63 This Week
    Last Update:
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  • 4
    ClamTk
    ClamTk is a graphical interface for Clam Antivirus. It is designed to be an easy-to-use, lightweight, on-demand desktop virus scanner for Linux.
    Downloads: 48 This Week
    Last Update:
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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • 5
    *aparece archivos ocultos x Viruz * appear files hidden due Virus**mazatlá, sinaloa México**
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    Downloads: 42 This Week
    Last Update:
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  • 6
    Lockscreen Pro

    Lockscreen Pro

    Beautiful screen locking software with advanced functions

    Lockscreen Pro's main feature is to lock your computer screen to not give other people access to it. You can simply unlock your computer with a password or an USB flash-drive. Every time someone enter a wrong password, Lockscreen will take a snapshot using your computers webcam. This will give you information about who tried to get into your computer.
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    Downloads: 26 This Week
    Last Update:
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  • 7
    WiFi Password Recovery

    WiFi Password Recovery

    A free utility to recover the passwords of wireless networks

    WiFi Password Recovery is a free utility to recover the passwords of the WiFi networks saved on your computer. For example if you forgot the password of a WiFi network (which you have entered in the past), you can easily recover it thanks to this tool. WiFi Password Recovery provides a very simple user interface which shows also other informations (SSID, Interface, Security type, Encryption algorithm) for each wireless network. The program is able to recover the passwords of wireless networks which use the following security types: WEP, WPA, WPA-PSK, WPA2, WPA2-PSK.* GitHub Repository: https://github.com/EvolSoft/WiFi-Password-Recovery *Note: On Windows XP the passwords of WiFi networks using WPA security will be shown as 64 HEX digits. You can use these characters as password to connect to the wireless network anyway.
    Downloads: 59 This Week
    Last Update:
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  • 8
    WindowTextExtractor

    WindowTextExtractor

    Gets a text from any window of an operating system including passwords

    WindowTextExtractor allows you to get a text from any window of an operating system including microsoft office programs, console windows and any window with support of Microsoft UI Automation (UIA). It can recover password stored behind asterisks (*****) from most of the windows apps.
    Downloads: 31 This Week
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  • 9
    Gui for aircrack-ng that can crack WEP and WPA networks, automatically scans for available networks, provides fake authentication and injection support.
    Downloads: 5 This Week
    Last Update:
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  • Financial reporting cloud-based software. Icon
    Financial reporting cloud-based software.

    For companies looking to automate their consolidation and financial statement function

    The software is cloud based and automates complexities around consolidating and reporting for groups with multiple year ends, currencies and ERP systems with a slice and dice approach to reporting. While retaining the structure, control and validation needed in a financial reporting tool, we’ve managed to keep things flexible.
    Learn More
  • 10
    WinLockPro

    WinLockPro

    Windows 8 Screen Lock and Powerful Security Solution for Windows 7

    What does WinlockPro do? Brings the entire Windows 10 metro theme across all versions of windows(XP and above) Proprietary password encryption technology Flash Drive Unlock! View login attempts that have occurred Sends you an email if many failed attempts occur Shuts down the computer if multiple failed attempts occur Desktop widget which can be used to easily control all aspects of the software Ability to leave notes on the Lock Screen interface Extremely simple to use Almost every small aspect of the software can be customized Fonts, colors, styles, positions, wallpapers, avatars, EVERYTHING can be changed to your liking Now has a minimalist mode, to make it even easier to use Dual monitor support G-mail integration - Ability to control WinlockPro with simple email commands. A whole lot more to be discovered Future I am currently building a cross platform app that will allow users to control WinlockPro from their mobile phones.
    Downloads: 2 This Week
    Last Update:
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  • 11
    gSTM is a front-end for managing SSH-tunneled port redirects. It stores tunnel configurations in a simple XML format. The tunnels (local, remote and dynamic) can be managed and individually started/stopped through one simple interface.
    Downloads: 2 This Week
    Last Update:
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  • 12
    Moved to GitHub: https://github.com/mitchcapper/KeePassSync KeePassSync is a KeePass plugin that synchronizes your database using various online storage providers. This allows two or more computers to easily keep their data in sync.
    Downloads: 3 This Week
    Last Update:
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  • 13
    OpenVPN-Admin is a GUI for OpenVPN, programmed in Mono. Packages are available for Linux and Windows. Packages for Nokia 770 are under development. OpenVPN-Admin should work on every platform where Mono runs. Included in OpenVPN-Admin is a Certificate wi
    Downloads: 2 This Week
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  • 14

    TCP/UDP footprint analysis

    TCP/UDP endpoint analysis and mapping utility.

    Providing users the ability to with accuracy map all inbound and outbound TCP/UDP connections to a Process ID and process owner. The application will also map a port to various performance metrics like processor and memory utilization.
    Downloads: 3 This Week
    Last Update:
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  • 15
    winKeyLock utility enables to lock computer access quickly. Disables the Windows keyboard and mouse so a DVD/Movie can be watched by a small child without changing anything! During lock the current screen stays transparent not like during screen server.
    Downloads: 2 This Week
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  • 16
    C-Total

    C-Total

    Control Total sobre las conecciones de RED

    Administra reglas del Firewall de Windows de forma transparente sin ocultar información, muestra reglas creadas por el sistema y cualquier programa que utilice internet. NOTA: Para crear reglas y/o eliminarlas debe ejecutar C-Total como administrador.
    Downloads: 3 This Week
    Last Update:
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  • 17
    FMSec - File Manager Security

    FMSec - File Manager Security

    Security Extensions to File Managers

    FMSec (File Manager SECurity) is a set of extensions to file managers that enable some security-related operations to be easily performed. The operations are: - encryption and decryption using OpenSSL (https://www.openssl.org/), - safe removing (shredding) files and directories (recursively), - mounting and unmounting TrueCrypt and VeraCrypt (https://www.veracrypt.fr/en/) volumes, - wiping the free space on a filesystem using WipeFreeSpace (https://wipefreespace.sourceforge.io/), - running programs with LibSecRm (https://libsecrm.sourceforge.io) preloaded, - running programs with LibHideIP (https://libhideip.sourceforge.io) preloaded, - running programs with LibNetBlock (https://libnetblock.sourceforge.io) preloaded, - generating digital certificates (X.509 / SSL / TLS / PKCS#12 / P12). See the project homepage https://fmsec.sourceforge.io and the project Wiki in the menu above.
    Downloads: 3 This Week
    Last Update:
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  • 18
    KCPentrix is liveCD design to be a standalone Penetration testing toolkit for pentesters and security analysts
    Downloads: 3 This Week
    Last Update:
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  • 19

    User Unlock Tool

    User unlock and Password Reset tool

    A tool to unlock users and reset passwords in a Windows domain. Works best with windows 7 Works with XP but the option to force user to reset password at next logon will not work Small .exe file
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    The goal of this project is to design and write comercial quality software and aplications with fully respect to free software (like in "free speach"). The software designed by us will target various fields: from scientific applications to multimedia an
    Downloads: 3 This Week
    Last Update:
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  • 21
    KlamAV is an Anti-Virus Manager for the KDE Desktop. Based on the ClamAV scanning engine, it features : 'On Access' Scanning * Manual Scanning * Quarantine Management * Update Management * Mail Scanning (KMail/Evolution) * Virus Browser
    Downloads: 2 This Week
    Last Update:
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  • 22
    Winlock - Portable

    Winlock - Portable

    Portable Windows 8 Screen Lock and Powerful Security Solution

    Portable version of the popular Winlock Pro security application. Winlock is more than just a security software, it is a very simple and elegant solution to all the other alternatives out there. As you can clearly see the entire interface is almost an exact replica of the Windows 8 lock screen and we coupled this with powerful under the hood security to keep you safe from hackers and other threats. What makes us truly different to everyone else out there is that we listen to our users, if you don’t like something tell us and we will immediately fix it for you Core features - Replaces your old windows lock screen with a more secure and reliable one Windows 8 resemblance Quick and responsive Very tiny application and has a quick setup process View login attempts that have occurred Sends you an email if many failed attempts occur Shuts down the computer if multiple failed attempts occur Charms bar imported from windows 8 for easy access to settings
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    wmpasman stores your passwords, and makes them available for pasting (both via the middle-click PRIMARY selection and the CLIPBOARD selection) at the click of a button. It also contains a digital clock. Access is controlled by a passphrase.
    Downloads: 2 This Week
    Last Update:
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  • 24
    Greyhound-Ubuntu : Trident

    Greyhound-Ubuntu : Trident

    An all purpose Distro for Pentesters

    Greyhound Trident is a GNU/Linux, Ubuntu based security distribution designed for penetration testing and cyber forensic investigations. It is a distribution designed for security enthusiasts and professionals, can also be used normally as your default OS. >>Based on Ubuntu 12.04.2 LTS (32bit ) user/pass : root/toor >>Kernel version 3.5.0-45 (little modified to make some of unsupported tools to work, but still will able to get Ubuntu updates ) >>2 Desktop environment : Gnome3, Docky Desktop for different test >>Final release >> Around 300 tools for all-round pentest performance User friendly, all important plugins such as video codec, audio plugins added Above all, this is Ubuntu, specially Hackers Ubuntu. Have fun Credit List : Mahir Chowdhury Asif Iqbal (India) For XtreamDebugger Ashik Iqbal Chy (BGHH) Imam Vai (BGHH) Krad Xin (BGHH) Bd xtor (BBHH/Team Scannerzz) Pedro Ubuntu(Root Sector) For Netool.sh
    Downloads: 1 This Week
    Last Update:
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  • 25
    Cross platform GUI managing bookmarks and shortcuts in a portable way. Support import/export, search, encryption, hierarchical tags, USB key installation, various environments integration, OS-dependent shortcuts, plugins extensibility.
    Downloads: 1 This Week
    Last Update:
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