Open Source Linux Cryptography Software

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

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  • 1
    Mixmaster is an anonymous remailer. Remailers provide protection against traffic analysis and allow sending electronic mail anonymously or pseudonymously. Mixmaster consists of both client and server installations.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 2
    Cassiopeia's BitMail

    Cassiopeia's BitMail

    Encrypting E-Mail Client

    BitMail is a Proof-of-Concept- / Design-Study for an Qt E-Mail Client. POP3 / IMAP / SMTP / P2P E-Mail-Client. ● Qt E-Mail Client. ● Build-in Encryption to secure E-Mails ● IMAP & POP3 ● Additionally a full decentral P2P Email-Option via the Echo Protocol ● Store Email for Offline-Friends in the P2P Network. ● Chat and Instant Messaging is build in. ● POPTASTIC function (Chat over Email) ● Calendar widget functionality. ● Open Source. BSD License. "Cassiopeia is the tortoise of Momo, which can communicate through writing on her shell and guides into the future." - Wikipedia. Source from: https://sf.net/projects/spot-on/files/ & https://github.com/textbrowser/spot-on
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    With Tiger Envelopes you can stop snoops from reading your email. Same email client. No extra steps. One click to install on Windows and Linux. Configures Outlook, Thunderbird, and KMail. Supports GPG, PGP, Bouncy Castle encryption.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    Haskell User-Submitted Libraries includes anything we can get our hands on and clean up for general use, as well as new libraries that would be useful to the general Haskell community. Submit your libs, or join the project to create needed libs!
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 5
    A standard API for accessing OpenPGP and S/MIME email in JavaMail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    An anonymous pseudonym email server, such as that which runs nym.alias.net.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    A perl server that accepts plain text mails for users and sends them out encrypted. Could be used in a company so that your accountant can be in contact with the salerperson in a secure way, without you needing to tell the accountant everything about PGP
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    PHP functions and classes to add a Domain Key Identified Mail (DKIM RFC 4871) signatures to emails sent by PHP. It is based on the openssl extensions of PHP. It can generate DKIM signature but cannot verify them. Developped and tested on PHP 4.0.
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    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    PHPki is an Open Source Web application for managing a multi-agency PKI for HIPAA compliance. With it, you may create and centrally manage X.509 certificates for use with S/MIME enabled e-mail clients, SSL servers, and VPN applications.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10
    A C library with support for logging, configuration, networking, message specification, semaphores, message queues, SSL, timing, epoll and email functionality.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    This is a simple web tool which allows users of a website to "securely" submit messages and files. They are sent over HTTPS to the server and there encrypted and forwarded to the administrator.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    aleXa Steganography Tool

    Tool to encode a message inside an image using LSB

    xst is a desktop tool written in C# that allows to encode a message inside an image file. The information is Encrypted, protected by a password.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    aamFetch is a utility for fetching your anonymous esub nym messages from the alt.anonymous.messages newsgroup (or other newsgroups). It allows multiple encrypt-subjects to scan, multiple "destination files" to save messages to and random chaff downloads.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    This is a simple program to encode normal, ASCII text in to its ASCII value and then convert that number to roman numerals. Ideal for quick notes to friends that you don't want others to easily read. Unlike encryption though, I just described the algo
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Camram is a hybrid antispam system combining multiple techniques improving the users e-mail experience.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    gpg-mime-filter
    Ruby script framework for the encryption and decryption of email according the GPG/MIME Format (RFC 3156). It can be used for e.g. for Apple' Mail as replacement for GPGMail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    a fast email client for console that support pop3 and smtp protocols also with ssl connections and more paranoic futures...
    Downloads: 0 This Week
    Last Update:
    See Project
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