Security Software

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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 1
    DAR - Disk ARchive

    DAR - Disk ARchive

    For full, incremental, compressed and encrypted backups or archives

    DAR is a command-line backup and archiving tool that uses selective compression (not compressing already compressed files), strong encryption, may split an archive in different files of given size and provides on-fly hashing, supports differential backup with or without binary delta, ftp and sftp protocols to remote cloud storage Archive internal's catalog, allows very quick restoration even a single file from a huge, eventually sliced, compressed, encrypted archive eventually located on a remote cloud storage, by only reading/fetching the necessary data to perform the operation. Dar saves *all* UNIX inode types, takes care of hard links, sparse files as well as Extended Attributes (MacOS X file forks, Linux ACL, SELinux tags, user attributes) and some Filesystem Specific Attributes (Linux ext2/3/4, Mac OS X HFS+) more details at: http://dar.linux.free.fr/doc/Features.html
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    Downloads: 158 This Week
    Last Update:
    See Project
  • 2
    Recursive computing and matching of Context Triggered Piecewise Hashing (aka Fuzzy Hashing). Supports Windows, *nix, BSD, OS X, etc.
    Downloads: 17 This Week
    Last Update:
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  • 3
    MicroZip

    MicroZip

    Create,extract and encrypt ZIP,GZIP,TAR,BZIP2,TAZ files on Java mobile

    MicroZip is a powerful file compression and encryption utility for mobile phones which allows you to create and extract compressed archives in multiple formats and encrypt sensitive information with powerful AES-256 encryption. MicroZip can create and extract ZIP,TAR,TGZ,TBZ2 archives and extract many other formats as JAR,GZ,BZ2,TBZ,WAR,BZIP2,GZIP,Z,TAZ,CBZ etc. MicroZip allows you to extract selected files without extracting the whole ZIP archive. MicroZip also supports encrypted ZIP archives with both classic ZIP encryption and AES 256 encryption algorithm.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 4
    360-FAAR  Firewall Analysis Audit Repair

    360-FAAR Firewall Analysis Audit Repair

    360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs

    360-FAAR (Firewall Analysis Audit and Repair) is an offline, command line, firewall policy manipulation tool to filter, compare to logs, merge, translate and output firewall commands for new policies, in Checkpoint dbedit, Cisco ASA or ScreenOS commands, and its one file! Read Policy and Logs for: Checkpoint FW1 (in odumper.csv / logexport format), Netscreen ScreenOS (in get config / syslog format), Cisco ASA (show run / syslog format), 360-FAAR compares firewall policies and uses CIDR and text filters to split rulebases / policies into target sections and identify connectivity for further analysis. 360-FAAR supports, policy to log association, object translation, rulebase reordering and simplification, rule moves and duplicate matching automatically. Allowing you to move rules to where you need them. Build new rulebases from scratch with a single 'any' rule and log files, with the 'res' and 'name' options. Switch into DROPS mode to analyse drop log entries.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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  • 5
    MiDicc

    MiDicc

    Generador de diccionarios de ataque multi-plataforma y parametrizable

    Realice su propio diccionario de ataque, usando caracteres personalizables y con longitud de palabra fija, generando todas las combinaciones que puedan existir.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Bigram Table Generator

    Bigram Table Generator

    A program to generate random reciprocal bigram tables

    A command-line program to encrypt/decrypt a message using a random reciprocal bigram table and write a bigram table to a text file. Executing the program without any command-line arguments starts bigram in message encryption/decryption mode. The program prompts for a password or passphrase and a message to encrypt/ decrypt. After the message is entered the ciphertext is displayed. Executing the program with command-line arguments causes bigram to generate a random bigram table to print to screen or save to disk depending on whether the -f filename argument was given. If the -p passphrase argument is given a specific table is generated and is repeatable each time the same passphrase is given. This program was written to supplement the Enigma Simulator by Dirk Rijmenants. http://users.telenet.be/d.rijmenants/en/enigmasim.htm Enigma message procedures: http://users.telenet.be/d.rijmenants/en/enigmaproc.htm
    Downloads: 0 This Week
    Last Update:
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  • 7
    CryptoPy is a pure python implmentation of cryptographic algorithms and applications. The algorithms are developed for readability more than speed. The collection now includes IEEE 802.11i specific algorithms that generated the test vectors for 802.11i.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Defa Protect HTML5 Video From Download

    Defa Protect HTML5 Video From Download

    Prevent and Protect Your HTML5 Video, Music , Audio From Download Free

    Defa Protector is A Simple PHP and Wordpress Plugin To Protect and Prevent Video Save As From Browser and Some Video Grabber. There is 100% Guaranteed Protection and There might be some tradeoff but If you care about Digital Rights Management of Your Video and Music Content. This Project is for you. Defa Protector 6.7.1 Revamp Code For Better Performance To The Bone. We almost rewritten this project from scratch.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    DioNiSio is a DNS scanner written in ANSI C that only depends on sockets library and libc. It implements 3 scan methods (dictionary, massive reverse lookup and recursive zone transfers). Targeted to portability, rational resources usage, and easy use.
    Downloads: 0 This Week
    Last Update:
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  • Level Up Your Cyber Defense with External Threat Management Icon
    Level Up Your Cyber Defense with External Threat Management

    See every risk before it hits. From exposed data to dark web chatter. All in one unified view.

    Move beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
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  • 10
    The PHP Web Toolkit enables the rapid development of multi-layered web applications and is designed to be easy to use, extensible, reliable, reusable, scalable and secure. It integrates with ADOdb, FCKeditor, kses, Libmcrypt, Libmhash and Smarty.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    SXMD

    SXMD

    MultiDistribution with Diagnostics, Recovery, Backup, Cleaning.. tools

    The SXMD (" like Security-X MultiDistribution ") use syslinux, grub4dos and others bootloaders to recover a crashed boot or run many GNU / Linux utilities. The first category is "Antivirus" with editors like Antivir, AVG, Comodo, DrWeb, FSecure, Kaspersky, Panda, VBA ... The second is composed by GNU/Linux's Distro: DSL, CorePlus (+Qemu Starter), Slacko, Slax Custom, Slitaz & XPuD ... After, you can find very good Recovery and Partitioning tools : Redo Backup, Parted Magic, MiniTool Partition Wizard, Paragon, PING, OSF and ActiveBootDisk ... SXMD also gathering a XP PE : Hiren'sBoot with DOS tools ("ubcd"), a Portable Suite and many boot priorities or possibilities. Size : +/- 3Gb Available : USB / DVD version ("coming soon") WebSite : http://www.security-x.fr/tools/SXMD ("under construct")
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    The MOTET Cipher & SE Scrambler

    The MOTET Cipher & SE Scrambler

    A tiny, fast encryption tool in C

    MOTET is a tiny, fast super-encipherment application written in C, featuring the new CSPRNG/stream ciphers MOTE and BEDBUG in each of their three variants, as well as the "gold standard" among ciphers, ISAAC. MOTET brings multiple levels of encryption, including a ciphertext-hash, a Vigenere mixing function, a choice of Caesar MOD or Caesar MIX ciphering on the primary key-stream, plus a deeply scrambled "outer shell" as a final super-encryption stage. A unique nonce IV guarantees that each ciphertext will differ radically from every other, even on the same message and identical key.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Moscrack is a perl application designed to facilitate cracking WPA keys on a cluster of computers. This is accomplished with any one of Mosix clustering software, ssh, rsh or Pyrit connectivity to nodes. Cluster nodes can run any Un*x variant (includ
    Downloads: 0 This Week
    Last Update:
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  • 14
    Stegeek is very simple tool, that takes several files,encrypt, and mix them into one file. Also add some redundancy. The result is, that we have one archive and N keys. It should not be possible to guess N, if you have archive and up to N-1 keys.
    Downloads: 0 This Week
    Last Update:
    See Project
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