Cryptography Software

Browse free open source Cryptography software and projects for Linux and ChromeOS 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
    KINEC Is Not Encrypted Chat is a client/server chat program designed to keep you secure. It uses strong algorithms for encryption and authentication and will not compromise security.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Messa is a fully distributed instant messaging and presence application.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    No-Name Instant Messenger is a secure (strong cryptography), cross platform communications program that supports existing IM networks (AIM, Yahoo, ICQ, etc.).
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 5
    The Solitox Community system provides an integrated real-time chat service, web interface, and a scalable infrastructure for adding more services with common credentials. These interfaces allow a greater level of communication for your users.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    This software shall enable users to send / receive denyable messages: Nobody can prove a message is from / for a specific user. Messages can be made private (by using password) or are public. All messages have an expiration time/date / event
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Java Based Cryptographic P2P Messaging Client, is based on a client-server architecture. The Client is made in SWING. The server is text based. Server keeps tabs on presense and the users public keys. Presentation: http://varun.accosted.net/talks.php
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    TCPFile is a friend to friend file sharing / instant messaging Java (1.6) program offering zipped and fully encrypted (RSA, AES) communication.
    Downloads: 0 This Week
    Last Update:
    See Project
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