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

  • HOA Software Icon
    HOA Software

    Smarter Community Management Starts Here

    Simplify HOA management with software that handles everything from financials to communication.
    Learn More
  • Loan management software that makes it easy. Icon
    Loan management software that makes it easy.

    Ideal for lending professionals who are looking for a feature rich loan management system

    Bryt Software is ideal for lending professionals who are looking for a feature rich loan management system that is intuitive and easy to use. We are 100% cloud-based, software as a service. We believe in providing our customers with fair and honest pricing. Our monthly fees are based on your number of users and we have a minimal implementation charge.
    Learn More
  • 1
    mcrypt, and the accompanying libmcrypt, are intended to be replacements for the old Unix crypt, except that they are under the GPL and support an ever-wider range of algorithms and modes.
    Leader badge
    Downloads: 727 This Week
    Last Update:
    See Project
  • 2
    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
    Leader badge
    Downloads: 48 This Week
    Last Update:
    See Project
  • 3
    Magstripper is a magnetic card reader and decoder that takes raw waveform information from a magnetic audio head (soldered directly to a mono audio jack) and processes it via a mic input. It also includes a multi-user door lock access control system.
    Leader badge
    Downloads: 17 This Week
    Last Update:
    See Project
  • 4
    TRMSim-WSN
    TRMSim-WSN (Trust and Reputation Models Simulator for Wireless Sensor Networks) is a Java-based simulator aimed to test Trust and Reputation models for WSNs. It provides several Trust and Reputation models and new ones can be easily added.
    Leader badge
    Downloads: 2 This Week
    Last Update:
    See Project
  • Say goodbye to broken revenue funnels and poor customer experiences Icon
    Say goodbye to broken revenue funnels and poor customer experiences

    Connect and coordinate your data, signals, tools, and people at every step of the customer journey.

    LeanData is a Demand Management solution that supports all go-to-market strategies such as account-based sales development, geo-based territories, and more. LeanData features a visual, intuitive workflow native to Salesforce that enables users to view their entire lead flow in one interface. LeanData allows users to access the drag-and-drop feature to route their leads. LeanData also features an algorithms match that uses multiple fields in Salesforce.
    Learn More
  • 5
    The Safe C Library provides bound checking memory and string functions per ISO/IEC TR24731. These functions are alternative functions to the existing standard C library that promote safer, more secure programming. The ISO/IEC Programming languages — C spec, C11, now includes the bounded APIs in Appendix K, "Bounds-checking interfaces". This latest upload supports building static library, a shared library and a linux kernel module.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6

    The ASN.1 Compiler

    Go to github.com/vlm/asn1c for the latest version.

    This ASN.1 compiler turns ASN.1 specifications into C code. The asn1c is shipped together with conformant BER/DER/XER/PER codecs. The X.509, GSM TAP3, MEGACO, RRC and LDAP encoding and decoding examples are part of the source code distribution. NOTE: THE asn1c PROJECT HAS LARGELY MOVED TO GITHUB: http://github.com/vlm/asn1c
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    ScardFace is a python3k library for interfacing with smart cards, which supports Plug-and-Play readers inclusion and threading. It also offers classes for manipulating APDU cmds and resps, and use them in a transport-protocol-independent fashion.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    Jacksum

    Jacksum

    a free cross platform checksum utility, supports 58+ hash algorithms

    Development of this project has been moved to https://github.com/jonelo/jacksum. This site has been left for historical purposes ONLY, you find older Jacksum versions here. Please visit the GitHub site for current development. Jacksum 1.7.0 is a platform independent checksum utility (written entirely in Java) for computing and verifying (integrity check) checksums, CRC and hashes (fingerprints). It supports 58 popular hash algorithms and a lot of unique features.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    CryptoDock

    CryptoDock

    CryptoDock is a tool that hosts various crypto. algorithms.

    CryptoDock is free multi-platform application written in Java that hosts various hash and modern cryptographic algorithms you can use to protect your sensitive data on your computer. Available cryptographic algorithms: 1. NLSE-1 2. One Time Pad 3. AES Available hashing algorithms: 1. MD5 2. SHA-1 3. SHA-256 4. SHA-512 IMPORTANT: In order to run CryptoDock you need to have Java installed on your computer. Java is free and can be downloaded from - http://www.java.com/
    Downloads: 2 This Week
    Last Update:
    See Project
  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
    Learn More
  • 10
    This project provides a java implementation of the Captcha project ( see http://www.captcha.net ). A CAPTCHA is a program that can generate and grade tests that: -Most humans can pass. -Current computer programs can't pass.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11
    Shade is a versatile LSB (least significant bit) manipulation and analysis tool used to hide/retrieve files from within other files, such as images. The goal is to make the existence of the hidden file completely undetectable, and optionally encrypted.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    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: 1 This Week
    Last Update:
    See Project
  • 13
    A.I. security app. Development ceased.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Matlab, Maple and C/C++ applications of Linear Algebra in many domains, including curves in many dimensions, Cryptography and Chaos etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    This is a non-causal non-linear encryption system that cannot be cracked by the von-neuman architectures available today
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    BioWebAuth (Biometrics for Web Authentication) is an open source Java framework intended to provide single sign-on web authentication based on BioAPI-compliant biometric software or devices. It uses the JA-SIG Central Authentication Service architecture.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    It moves by itself inside networks like virus infection & plagues, it is being written to solve computer virus problem drastically and responsibly. It is legal, free and open for public domain to improve W3 ICT Security.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    BlowfishVHDL - free fully synthesizable Blowfish encryption algorithm hardware implementation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    BruteNet is a system of the distributed brute force and distributed calculations built on user extensions capable to solve a great number of problems related to the partition on a lot of machines.With sample extention you can distribute brute md5-hash
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    C++ template classes for Multi-Value Logic support arbitrary precision and user defined Multi-Value Logic types. This library comes with pre-defined data types: integer, boolean, bit, logic, std_logic, bit_vector, logic_vector and std_logic_vector.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    ConDEnSE (Confidential Data Enabled Statistical Exploration) will be a web-based environment for statistical analysis of confidential data from various database sources, based on Plone and R, and using the Jackknife method of confidentiality protection.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    A project to provide a GUI toolkit to facilitate (and where possible, automate) the breaking of classical (pen-and-paper) cryptosystems. Initial focus is on the cryptanalysis of monoalphabetic substitution ciphers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Crypt-EG is an easy visual cryptosystem program that implements ElGamal method using elliptic curves.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The Cryptix ASN.1 Kit aims at facilitating the task programmers face in coding, accessing and generating java-bound, both types and values, defined as ASN.1 constructs, or encoded as such.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    CryptoHelper is a Java program designed to aid in the decryption of classical ciphers, ie pre WWII ciphers. It brings together tools like frequency analysis, friedman tests, enciphering/deciphering for several clasical ciphers, and brute force algorithm
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next