Browse free open source Cryptography software and projects 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
    RetroShare

    RetroShare

    [WARNING] Project has moved to http://github.com/Retroshare/Retroshare

    [IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 2
    WASTE is a mesh-based workgroup tool that allows for encrypted, private communication between distant parties on the internet, independant of local network organization.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 3
    Dirt

    Dirt

    An IRC proxy to add chat encryption to IRC clients

    Dirt is a multi-platform IRC proxy that adds FiSH-compatible chat encryption (including DH1080 key exchanges) to any IRC client. It can be used as a SOCKS proxy or as a simple bouncer. For security reasons, only localhost connections are allowed.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    This ain't your daddy's crypto! We provide a set of C libs and utilities to perform cypherpunk style crypto functions, using your existing OpenPGP keys. Ring signatures; credentials; mental poker; timelines; zero knowledge proofs. Cool stuff!
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 5
    Lanchat is a Client/Server instant messenger chat service for network/internet use. Builds upon the many features of modern IM environments while implementing some unique ideas. Supports text formatting, blocking/banning, direct connections and much more
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    The end goal of the FreeMess Project is to produce a cryptographically secure, pseudonymous, cross-platform peer-to-peer Instant Messenger service, piggybacking on FreeNet (http://freenet.sourceforge.net) as a distributed filesystem to hold user data.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    GAIM encryption plugin using GPG (PGP clone). It works transparently and smoothly. Automatically establishes secure conversations with other enabled users, passes keys (if enabled) and eventually will allow you to specify your own keys to use.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    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
  • 9
    The J-WASTE project aims at the implementation of a platform independent client/server Java implementation of the WASTE protocol. This project started as a mandatory project course in networking at the Luleĺ University of Technology in Sweden.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10
    Novus Ordo Seclorum (Ordo for short) is a pathologically secured, invitation only secure communications framework. It is built on top of the Freenet crypto libraries.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing encryption, authentication, deniability, and perfect forward secrecy.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    <b>SicHer</b> is an encryption client that will allow secure chat across the internet using AES and a Diffe-Hellman key exchange.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    WinBP is a windows version of the bulletproof program (http://sourceforge.net/projects/bulletproof/)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    1. project name eXPimenttk (e-SecureOffice) 2.Language Java (req. - at least j2re) 3.target platform - Cross-platform software 4.problem we want to sole- Encryption, Decryption software, File eraser, Messenger, Mailer,Remailer,FireWall 5 target - user
    Downloads: 0 This Week
    Last Update:
    See Project
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