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Open Source Linux Security Software

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.

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  • 1

    LOIC

    A network stress testing application

    Low Orbit Ion Cannon. The project only keeps and maintains (bug fixing) the code written by the original author - Praetox, but is not associated or related to it. DISCLAIMER: USE ON YOUR OWN RISK. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER OR CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES.
    Downloads: 1,579 This Week
    Last Update:
    See Project
  • 2
    Network Security Toolkit (NST)

    Network Security Toolkit (NST)

    A network security analysis and monitoring toolkit Linux distribution.

    Network Security Toolkit (NST) is a bootable ISO image (Live USB Flash Drive) based on Fedora 42 providing easy access to best-of-breed Open Source Network Security Applications and should run on most x86_64 systems. The main intent of developing this toolkit was to provide the security professional and network administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 125 Security Tools by INSECURE.ORG are available in the toolkit. An advanced Web User Interface (WUI) is provided for system/network administration, navigation, automation, network monitoring, host geolocation, network analysis and configuration of many network and security applications found within the NST distribution. In the virtual world, NST can be used as a network security analysis, validation and monitoring tool on enterprise virtual servers hosting virtual machines.
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    Downloads: 198 This Week
    Last Update:
    See Project
  • 3
    Msieve is a C library implementing a suite of algorithms to factor large integers. It contains an implementation of the SIQS and GNFS algorithms; the latter has helped complete some of the largest public factorizations known
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    Downloads: 67 This Week
    Last Update:
    See Project
  • 4
    LOIC-0

    LOIC-0

    A NETWORK STRESS TOOL BASED ON PRAETOX LOIC

    Low Orbit Ion Cannon - 0 (LOIC-0) The original Low Orbit Ion Cannon with interface improvements. ALSO NOTED VERSION 1.0 OF LOIC-0 IS VERSION 1.2 OF LOIC AND SO ON. DISCLAIMER: USE ON YOUR OWN RISK. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER OR CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES THIS TOOL IS RELEASED WITH NO WARRANTY AT ALL. TAGS: LOIC,Low Orbit Ion Cannon, network, stress test, security software, network tool, Windows,Linux, LOWC, Low Orbit Web Cannon, network, stress testing, load testing, server load testing, server testing.
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    Downloads: 37 This Week
    Last Update:
    See Project
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  • 5
    Foremost is a linux tool for conducting forensic examinations. Although intended for law enforcement purposes, it may be useful to other members of the community. Foremost reads through a file, such as a dd image file or a disk partition and extracts file
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    Downloads: 33 This Week
    Last Update:
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  • 6
    Armagedōn2-LOIC

    Armagedōn2-LOIC

    Lightweight DDOS Client with Console Commands

    A Lightweight DDOSing Client with Console Commands. Original code by: abatishchev (LOIC). A better version of our old release. DISCLAIMER: USE ON YOUR OWN RISK. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER OR CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 7
    Armagedōn-LOIC

    Armagedōn-LOIC

    A Lightweight DDOS Tool Built in C#

    A Lightweight DDOSing Client Built in C#, Built originally for TheArmagedōnTeam. Original code by: abatishchev (LOIC). Basically, A more grown up version of LOIC. Download our newest release: https://sourceforge.net/projects/armagedon2loic DISCLAIMER: USE ON YOUR OWN RISK. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER OR CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    The purpose of the tool is to perform fingerprinting of remote TCP/IP stacks based on Ofir Arkin's ICMP fingerprinting research. This tool is a practical implementation of results discovered during 'project X' http://www.sys-security.com/index.php
    Downloads: 10 This Week
    Last Update:
    See Project
  • 9
    File Encoder Application

    File Encoder Application

    Java application for encryption

    Java application for encryption with a GUI. It is based in the XOR symetric encryption combined with a pseudorandom resorting of the bytes. Strenth and time to encrypt/decyrpt per MB adapted to size of input file. Multithread. zoom Multilanguage Dark mode JDK-17 compatibility It includes detailed documentation in English, Spanish and Catalan.
    Downloads: 17 This Week
    Last Update:
    See Project
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  • 10
    TinyCrypt is a simple secure program for encrypting files. The core encryption code is only 76 lines of C code, based on the well known ARC4-D(768) algorithm.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 11
    USB Autorun Virus Protector
    A simple and portable tool to protect USB storage drives against spreading of Autorun.inf viruses through the USB drives by creating some un-deletable dummy files in your USB drive. Also it can clean autorun viruses from the selected drive.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 12
    netool toolkit 4.6

    netool toolkit 4.6

    MitM pentesting opensource toolkit

    Operative Systems Suported are: Linux-ubuntu, kali-linux, backtack-linux (un-continued), freeBSD, Mac osx (un-continued) Netool its a toolkit written using 'bash, python, ruby' that allows you to automate frameworks like Nmap, Driftnet, Sslstrip, Metasploit and Ettercap MitM attacks. this toolkit makes it easy tasks such as SNIFFING tcp/udp traffic, Man-In-The-Middle attacks, SSL-sniff, DNS-spoofing, D0S attacks in wan/lan networks, TCP/UDP packet manipulation using etter-filters, and gives you the ability to capture pictures of target webbrowser surfing (driftnet), also uses macchanger to decoy scans changing the mac address. Rootsector module allows you to automate some attacks over DNS_SPOOF + MitM (phishing - social engineering) using metasploit, apache2 and ettercap frameworks. Like the generation of payloads, shellcode, backdoors delivered using dns_spoof and MitM method to redirect a target to your phishing webpage. recent as introducted the scanner inurlbr (by cleiton)
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    OW.NET -- 1-Wire API port from Java (and J#) to C#. Use the Dallas 1-Wire and iButton chips with standard C# using a serial adapter (also CF.net) or the TMEX drivers on the Windows platform. No J# distribution installation required.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14

    ProxyCryptGUI

    An easy to use 'front-end' to ProxyCrypt 3.X encryption application

    ProxyCryptGUI2025 • ProxyCryptGUI2025 is a free application that provides a Windows GUI (graphical user interface) for ProxyCrypt to manage encrypted virtual disk drives. • The setup file for ProxyCryptGUI2025 includes the required setup of ProxyCrypt 3.x and required AIM disk driver. • All files stored in an encrypted virtual drive can be accessed just as any files on regular disk drives but only after the drive is mounted/opened with the associated passphrase. • ProxyCryptGUI2025 can open and convert most (but not all) older ProxyCrypt 2.x encrypted containers. • ProxyCryptGUI2025 is currently a beta version release... be sure to keep data backed up Requirements: • Windows 7, 8 or 8.1, 10, 11 64b • computer administrator privileges • CPU with SSE2 instructions
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Web Scanner is a command-line program that is designed to scans web servers to find default and potentially vulnerable web pages. 2.0 - Java, 1.3 - Perl Web scanner supports both HTTP and HTTPS protocols and can be configured to use custom data files.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    Common Hardware Recovery Solutions by Ukrainian-Russian network
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    A Bash script for downloading and installing additional Clamav definition files.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Enigma Encryption any OS

    Enigma Encryption any OS

    A cross-plattform encryption tool for texts and files

    Enigma encrypts texts (PINs, Passwords, Messages, etc.) of any kind and is available for any OS, because it's just an HTML-Webpage with JavaScript in the back. So you can share secrets with friends on any device which has a HTML-Browser. On my Homepage you can find out how to use file-encryption.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Raiden block cipher: An extremely lightweight and fast block cipher, developed using genetic programming, with the intention to be an alternative to TEA. This cipher is as fast as TEA, and without many of its known weaknesses.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    A small program that allows the user to delete files in a secure manner.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    We recently add a new encryption project since the last press release ... The WTP Integrated Development Platform CD contains an integrated suite of programs for delivering Web applications using the Apache, MySQL and Postgres database, Perl and PHP languages. The software is installed by using a Web browser-based interface.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    pup2p is a remaster of the Puppy Linux livecd distro and is aimed at use with the anonymous network I2P. It includes I2P as well as a number of I2P related apps. NOTE: The ISO is currently VERY out of date! Sorry for my absence. I may try to update the project soon. The SFS file IS up to date as of this change. 03/2013
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23

    truecrypt-wxGTK3

    Truecrypt Ported to wxGTK3

    This is the final release of truecrypt (7.1a) ported to use wxGTK3 instead of 2.8. None of the underlying code has changed, instead the compile errors due to modern distros using and updated version of wxGTK have been resolved (for now).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    A set of simple shell scripts to query (via SNMP) any router in an enterprise network for a list of active ARP cache entries. These entries are then merged into a host table with timestamp of last seen entry.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25

    Absolutely Safe Chat

    p2p (sockets) chat with inKey encryption (32768 bit).

    p2p (sockets) chat with "inKey 6.0" encryption (key size up to 32768 bit), written on CBuilder 6.0. source code included P.S. http://sourceforge.net/projects/inkey/
    Downloads: 0 This Week
    Last Update:
    See Project
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