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

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  • 1

    Ciphero

    Secure communication software

    Securely cipher your message or file, share it, safely de-cipher it.
    Downloads: 1 This Week
    Last Update:
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  • 2
    An original bruteforce-based encryption/decryption system. BBE was originally conceived to chat with encrypted text on IRC. mIRC and X-Chat support BBE via script addon. BBE can also encrypt MIME encoded files. Blowfish encryption is currently supported.
    Downloads: 0 This Week
    Last Update:
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  • 3
    Chativa Pro — Self-Hosted E2EE Chat

    Chativa Pro — Self-Hosted E2EE Chat

    HD Audio & Video Calls, AI chatbot widget, Widget, Lifetime License

    Chativa Pro is a self-hosted, end-to-end encrypted (E2EE) messaging platform for SMEs. Protect your business secrets with private text, audio, and video conversations. Your data, your server, your rules. ══════════════════════ KEY FEATURES ══════════════════════ 🔒 E2EE Chat — Every message, file, and call is encrypted 📹 HD Video Calls — WebRTC-powered, one-on-one and group 🤖 AI Assistant — Gemini-powered smart replies and summaries 💬 Chat Widget — White-label, one script tag 🏠 100% Self-Hosted — Your server, works offline 💰 Lifetime License — $79 once, unlimited agents, no fees 🛡️ GDPR Compliant — Your data stays in your jurisdiction ══════════════════════ PERFECT FOR ══════════════════════ SMEs • IT Consultants • Agencies • Privacy Advocates
    Downloads: 0 This Week
    Last Update:
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  • 4
    · A free chat server coded in java. · Supports secure connections via the Diffie-Hellman-Algorithm. · One java chat client available. · Other clients in production.
    Downloads: 0 This Week
    Last Update:
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  • 5
    IP-Chat

    IP-Chat

    UDP based desktop chatting app which supports AES-256 bit encryption.

    Simple Encrypted chat application built with Java. It uses AES-256 bit block cipher algorithm.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Novel Insight Inner Circle

    Novel Insight Inner Circle

    Graphical message and file encryption tool

    Novel Insight Inner Circle is a message and file encryption tool for Windows. The software is developed in Java and requires 64bit Java JRE. The encryption uses AES-256 twice so it is harder to crack than the industry standard pure AES 256bit implementation (theoretical key size is 512 bit). The software writes encrypted data in ASCII text format which can be cut'n'pasted to messaging apps or to emails and back to Inner Circle when decrypting data. IMPORTANT: The software requires new OpenJDK 16 (Not Oracle's J2RE 1.8) to run. Install, for example, AdoptOpenJDK for Windows. NOTE: By using encryption twice the implementation is (in theory) vulnerable to Meet-In-The-Middle attack reducing key size to 256bit but the attack still requires 2^256 bytes of memory making it impossible in practice.
    Downloads: 0 This Week
    Last Update:
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  • 7
    Secure P2P Instant Messenger running on .NET Framework 2.0. Uses server to store user information (user name, password, email address, friends list, log in state, IP address) in encrypted form. Uses custom designed symmetric encryption algorithm.
    Downloads: 0 This Week
    Last Update:
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  • 8
    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:
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  • 9
    mircCrypt is an encryption-script which enables you to communicate secured on irc-networks. By using a premade blowfish-algorithm-dll, it secures your chats by using free choosable keys. This script is just the link between the blowfish-dll and mirc.
    Downloads: 0 This Week
    Last Update:
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