Open Source Linux Security Software

Security Software for Linux

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

  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • Veeam Data Platform v13.1 - Get Your Free Trial Icon
    Veeam Data Platform v13.1 - Get Your Free Trial

    Secure by design, portable by default. Recover clean, fast, anywhere. Start a free trial.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
    Try it Free
  • 1
    Scrollout F1

    Scrollout F1

    An easy-to-use anti-spam email gateway

    • Designed for Linux and Windows email system administrators, Scrollout F1 is an easy to use, already adjusted email firewall (gateway) offering free anti-spam and anti-virus protection aiming to secure existing email servers, old or new, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail and others. • Built-in multilayer security levels make configuration effort equal to a car radio. • It combines simplicity with effective protection using powerful open source with additional set of rules & filters. • Available as 64bit: - ISO image (Internet connection required during installation) - install from scratch (Internet connection required during installation). • Minimum Requirements (for 5,000 messages/day): 1 GB of RAM 30 GB storage drive 1 Processor x86/AMD64 1 Ethernet x 1 IPv4 address UDP ports: 53 123 4500 6277 24441 TCP ports: 25 80 443 2703
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    Downloads: 89,337 This Week
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  • 2
    Angry IP Scanner

    Angry IP Scanner

    A cross-platform network scanner that is fast and simple to use

    Angry IP scanner is fast and friendly network scanner for Windows, Linux, and Mac. It is very extensible, allowing it to be used for very wide range of purposes, with the primary goal of being useful to network administrators.
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    Downloads: 3,601 This Week
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  • 3
    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: 460 This Week
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  • 4
    pdfcrack is a command line, password recovery tool for PDF-files.
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    Downloads: 477 This Week
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  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
    Start Free
  • 5
    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: 437 This Week
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  • 6
    Ethernet bridge tables - Linux Ethernet filter for the Linux bridge. Contains the old sourcecode repository that is no longer maintained. Please see http://git.netfilter.org/ebtables/ and http://git.netfilter.org/arptables/ for the currently maintained repository (courtesy of the netfilter team).
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    Downloads: 476 This Week
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  • 7
    DirBuster
    DirBuster is a multi threaded java application designed to brute force directories and files names on web/application servers.
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    Downloads: 366 This Week
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  • 8
    c-icap is an implementation of an ICAP server. It can be used with HTTP proxies that support the ICAP protocol such as the Squid 3.x HTTP proxy server to implement content adaptation/filtering services.
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    Downloads: 380 This Week
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  • 9
    This project is an implementation of the TCG TPM 2.0 specification. It is based on the TPM specification Parts 3 and 4 source code donated by Microsoft, with additional files to complete the implementation. See the wiki for additional support - additions to the documentation. See the companion IBM TSS at https://sourceforge.net/projects/ibmtpm20tss/
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    Downloads: 1,009 This Week
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • 10
    Parrot Project

    Parrot Project

    Security, Development and Privacy Defense, all in one place.

    Parrot is a cloud friendly operating system designed for Pentesting, Computer Forensic, Reverse engineering, Hacking, Cloud pentesting, privacy/anonimity and cryptography. Based on Debian and developed by Frozenbox network.
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    Downloads: 113 This Week
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  • 11
    This project provides a simple Java-based steganography tool that can hide a message inside a 24-bit colour image so that knowing how it was embedded, or performing statistical analysis, does not make it any easier to find the concealed information.
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    Downloads: 541 This Week
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  • 12
    ettercap
    Ettercap is a multipurpose sniffer/interceptor/logger for switched LAN. It supports active and passive dissection of many protocols (even ciphered ones) and includes many feature for network and host analysis. Development has been moved to GitHub, https://github.com/Ettercap/ettercap
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    Downloads: 67 This Week
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  • 13
    Xiaopan OS

    Xiaopan OS

    Easy to use pentesting distribution for wireless security enthusiasts

    Xiaopan OS is an easy to use software package for beginners and experts that includes a number of advanced hacking tools to penetrate WPA / WPA2 / WPS / WEP wireless networks. Based on the Tiny Core Linux (TCL) operating system (OS), it has a slick graphical user interface (GUI) requiring no need for typing Linux commands. Xiaopan OS is Windows, Mac and Linux compatible and users can simply install and boot this ~70mb OS through a USB pen drive or in a virtual machine (VM) environment. Some of the tools included are Inflator, Aircrack-ng, Minidwep GTK, XFE, wifite and feeding bottle. Supported cards include RTL8187L, RT3070, AR9271 and many more.
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    Downloads: 84 This Week
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  • 14
    AirSnort is a wireless LAN (WLAN) tool which cracks encryption keys on 802.11b WEP networks. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered.
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    Downloads: 61 This Week
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  • 15
    ccrypt is a command-line tool for encrypting and decrypting files and streams. It provides strong encryption based on the Rijndael cipher, a version of which is also used in the Advanced Encryption Standard.
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    Downloads: 102 This Week
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  • 16

    AutoTypeSearch

    AutoType Quick Search plugin for KeePass

    This is a plugin to KeePass <http://www.KeePass.info> to provide a quick searching capability as an enhancement to the global auto-type system. If a global auto-type is requested, but no matching entry for the active window is found, this plugin will show a quick as-you-type search window which lets you to easily pick the entry to auto-type. It is also possible to open/edit, show, open the url for, or copy the password for the entry that is found. Auto-typing the password only is also supported. Any two actions can be configured, one for Enter, one for Shift+Enter.
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    Downloads: 42 This Week
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  • 17
    Pyton GnuPGInterface is meant to be a filehandle-concentrating Python interface to GnuPG, the GNU Privacy Guard. It has an API similar to the Perl module GnuPG::Interface.
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    Downloads: 185 This Week
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  • 18
    Publish your junit test report in pdf format. Plug and Play integration. Home page: http://junitpdfreport.sourceforge.net/
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    Downloads: 86 This Week
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  • 19
    FileVerifier++
    FileVerifier++ is a Windows utility for calculating hashes using a number of algorithms including CRC32, MD5, SHA-1, SHA-256/224/384/512, WHIRLPOOL, and RIPEMD-128/160/256/320. Supported hash file formats include MD5SUM .MD5, SFV, BSD CKSUM, and others.
    Downloads: 46 This Week
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  • 20
    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: 21 This Week
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  • 21
    The Open Web Application Security Project (OWASP) software and documentation repository.
    Downloads: 30 This Week
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  • 22
    This program allows you to use SSH, TELNET, VNC, FTP and any other Internet application from behind HTTP(HTTPS) and SOCKS(4/5) proxy servers. This "proxifier" provides proxy server support to any app.
    Downloads: 24 This Week
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  • 23
    WPSCrackGUI

    WPSCrackGUI

    Interfaz gráfica para el crackeo de redes WPS con Reaver.

    WPSCrackGUI es una interfaz gráfica para el crackeo de redes wireless con WPS.
    Downloads: 51 This Week
    Last Update:
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  • 24
    Computer Breaker is a network testing tool that allows networking administrators to test if a computer is vulnerable to malicious attacks. Using the Nessus scanner, computer-breaker scans the remote host and automaticaly exploits its vulnerabilities.
    Downloads: 89 This Week
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  • 25

    buck-security

    Collection of security checks for Linux

    Buck-Security is a security scanner for Debian and Ubuntu Linux. It runs a couple of important checks and helps you to harden your Linux system. This enables you to quickly overview the security status of your Linux system. As a system administrator you often get into situations where you have to take care of a server, that has been maintained by other people before. In this situation it is useful to get an idea of the security status of the system immediately. Buck Security was designed exactly for this. It runs a few important checks and returns the results. It was designed to be extremely easy to install, use and configure.
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    Downloads: 40 This Week
    Last Update:
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