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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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  • 1
    SimpleX

    SimpleX

    The first messaging platform operating without user identifiers

    Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy. The video shows how you connect to your friend via their 1-time QR-code, in person or via a video link. You can also connect by sharing an invitation link. Temporary anonymous pairwise identifiers SimpleX uses temporary anonymous pairwise addresses and credentials for each user contact or group member. It allows to deliver messages without user profile identifiers, providing better meta-data privacy than alternatives. Many communication platforms are vulnerable to MITM attacks by servers or network providers. To prevent it SimpleX apps pass one-time keys out-of-band when you share an address as a link or a QR code. Double-ratchet protocol. OTR messaging with perfect forward secrecy and break-in recovery. NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised.
    Downloads: 34 This Week
    Last Update:
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  • 2
    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: 9 This Week
    Last Update:
    See Project
  • 3
    Wraith is an open source IRC bot written in C++. It has been in development since late 2003. It is based on Eggdrop 1.6.12 but has since evolved into something much different at its core.
    Downloads: 28 This Week
    Last Update:
    See Project
  • 4
    Discord Message Spammer

    Discord Message Spammer

    Discord chat spammer

    easy to use, set the tokens & channels and have fun, don't use it in a bad way if you catch my drift, if you want to use it you better use a vpn so discord won't ban you're ip smh. DMS version 0.3 ill keep updating this tool for sure license By downloading this, you agree to the Commons Clause license and that you're not allowed to sell this repository or any code from this repository. For more info see https://commonsclause.com/. my discord server: https://discord.gg/MJu44Kdh
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    Downloads: 22 This Week
    Last Update:
    See Project
  • Photo and Video Editing APIs and SDKs Icon
    Photo and Video Editing APIs and SDKs

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  • 5
    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: 6 This Week
    Last Update:
    See Project
  • 6
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ● https://sourceforge.net/p/goldbug/wiki/compiling As Spot-On implemented the minimal GB-concept & Nuvola Icons, GoldBug has now been fully integrated into Spot-On Win64: Just choose Tabs at East & Mini-View in Options - w/ Nuvola Icons of course! Voilá! & Many Thanks, Pro-Files can be found archived at ● current source: https://github.com/textbrowser/spot-on ● EN Manual: https://www.amazon.com/dp/3749435065 ● DE: https://compendio.github.io/goldbug-manual-de/ ● Study: https://www.amazon.com/asin/dp/3750408971
    Downloads: 15 This Week
    Last Update:
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  • 7
    Secure Internet Live Conferencing

    Secure Internet Live Conferencing

    Secure chat and conferencing protocol

    See http://silcnet.org/ for detailed information. SILC provides common chat and conferencing services like private messages, instant messages, channels and groups, and video and audio conferencing. The main difference to other protocols is that SILC has been designed with security as its main feature. All packets and messages sent in SILC network are always encrypted. Private messages are encrypted end-to-end, channel message are encrypted with channel-wide secret key and secure file transfer is protected peer-to-peer.
    Leader badge">
    Downloads: 14 This Week
    Last Update:
    See Project
  • 8
    ufonet

    ufonet

    UFONet - Denial of Service Toolkit

    UFONet - Is a set of hacktivist tools that allow launching coordinated DDoS and DoS attacks and combine both in a single offensive. It also works as an encrypted DarkNET to publish and receive content by creating a global client/server network based on a direct-connect P2P architecture. + FAQ: https://ufonet.03c8.net/FAQ.html -------------------------------------------- -> UFONet-v1.8 [DPh] "DarK-PhAnT0m!" (.zip) -> md5 = [ c8ab016f6370c8391e2e6f9a7cbe990a ] -> UFONet-v1.8 [DPh] "DarK-PhAnT0m!" (.tar.gz) -> md5 = [ 8a4cd86c21db2ad657eb75e6ac0e52d5 ] --------------------------------------------
    Downloads: 11 This Week
    Last Update:
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  • 9
    A fork of WASTE 1.5.0.408 beta 3 starting form 1.5.1.412 beta 3
    Downloads: 3 This Week
    Last Update:
    See Project
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 10
    Smoke Crypto Chat Messenger for Android

    Smoke Crypto Chat Messenger for Android

    Smoke: Android Crypto Chat Messenger

    Smoke is an encrypting chat messenger for Android written in Java. Please read the Web site for more information: https://textbrowser.github.io/smoke/ (original, current) https://www.amazon.com/dp/3752691999/ https://smokeappope.sourceforge.io/ (old, third party archive) Smoke App OPE - Open Personal Encryption Download Android APK Installer: https://sourceforge.net/projects/smokeappope/files/ Smoke Source: https://github.com/textbrowser/smoke SmokeStack Source: https://github.com/textbrowser/smokestack (Android) https://github.com/textbrowser/spot-on (Desktop) Smoke appears to be one of the first projects with an open source mobile encrypting chat server., an decentralized and easily-configurable chat server. Smoke is known as the first mobile McEliece Messenger: https://tarnkappe.info/artikel/english/mceliece-messaging-smoke-crypto-chat-the-first-mobile-mceliece-messenger-published-as-a-stable-prototype-worldwide-279847.html
    Downloads: 6 This Week
    Last Update:
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  • 11

    Networking Tools

    This Program Contains Many Useful Network Tools

    This programs contains the following programs: ------------------------------------------------------------------ 1-Wi-Fi Connector : Connects To Available Wi-Fi Network. 2-Router Password Cracker : To Crack Router's Gateway Password. 3-IP Trace : Trace The IP Address For Any Website. 4-IP Tracker : Gets Your WAN IP Address. 5-Lan Messenger : Chat Between Computers On Same LAN Network. 6-Email Sender : For Sending E-mails Using SMTP Server. 7-Email Viewer : For Receiving E-mails Using POP3 Server. 8-YouTube Downloader : For Downloading YouTube Videos. 9-File Downloader : For Downloading Files.
    Downloads: 5 This Week
    Last Update:
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  • 12
    Luadch

    Luadch

    We moved to GitHub! -> http://luadch.github.io/

    We moved to GitHub! New Website: http://luadch.github.io/ There you will find all the necessary informations.
    Leader badge">
    Downloads: 4 This Week
    Last Update:
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  • 13
    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: 2 This Week
    Last Update:
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  • 14
    BlackBelt WASTE - ipv4 / Tor / i2p + AI

    BlackBelt WASTE - ipv4 / Tor / i2p + AI

    A modern, AI-Smart, WASTE p2p for ipv4 and invisible address spaces

    A WASTE client. Download and create your own WASTE networks. For Windows XP 32/64, Vista 32/64, Win7 32/64, Win8 32/64, Win 10, Linux (WINE). *** NEW *** Distributed Autonomic-Performance-Tuning - A Goal-Seeking Swarming-Semiotic AI *** *** Built-in Self-Organising Anti-Spoofing Technology *** *** Medusa - Pure Ephemeral RNG - Routing, Security Extensions *** PLEASE ENSURE YOUR NETWORK USES THE SAME BUILD. FOR BEST RESULTS.
    Downloads: 2 This Week
    Last Update:
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  • 15
    ICMP-Chat is a simple chat for the console that uses blowfish encrypted packets for communication.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    Briar
    Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate. Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices. If the Internet's down, Briar can sync via Bluetooth or Wi-Fi, keeping the information flowing in a crisis. If the Internet's up, Briar can sync via the Tor network, protecting users and their relationships from surveillance.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    AIM Sniff is a network sniffer specifically designed to pick up messages transmitted using the AIM or MSN clients and their derivatives. All information can be sent to STDOUT or a MySQL DB.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    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: 1 This Week
    Last Update:
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  • 19
    Bouncer en localhost o lan, que permite capturar el trafico hacia un determinado canal de irc, cifrandolo con Rijndael, Serpent o Twofish. Y mostrando una salida por el canal en base64. Ideal para paranoicos.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    ISB is a java-developed software for Education purpose only. The codename are TKBot and Guepard Project. This software will let you connect any computer to any IRC server and channel. Do not use this software if you don't have the permission of the comp
    Downloads: 1 This Week
    Last Update:
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  • 21
    MsTasty is a free, PHP-based and modular IRC bot
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    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: 1 This Week
    Last Update:
    See Project
  • 23
    Petoron-P2P-Messenger

    Petoron-P2P-Messenger

    minimalistic, secure and autonomous P2P messenger

    Petoron P2P Messenger (P-P2P-M) Architecture: Pure P2P - no servers, no databases Key storage: Keys generated in memory, never stored, erased after use Metadata: Only IP and port exist during the session - everything else is encrypted & obfuscated Encryption: PQS v1.2 - PBKDF2-HMAC-SHA256 (200k), BLAKE2s-MAC, custom stream cipher + fake padding Authentication: BLAKE2s-MAC (16 bytes) - instant failure on any data change Packet obfuscation: --stealth mode - padding, hidden structures Connection: Direct peer-to-peer only Anonymity: No accounts, logins, or phone numbers Third-party access: Impossible without physical access to both peers during session History: No storage — all in RAM, wiped on close Message size: Limited only by RAM & MTU — no artificial limits External dependencies: None DPI/blocking resistance: Harder to detect, can be masked Autonomy: Fully offline until peers connect https://github.com/01alekseev/Petoron-P2P-Messenger
    Downloads: 1 This Week
    Last Update:
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  • 24
    Efficient open proxy scanner software suite for Undernet IRC(u).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Ircproxy is transparent IRC content-filtering application. It may be used whenever there is a need of monitoring IRC connections.It may be used to deny specific connections or to behold suspicious IRC traffic.
    Downloads: 1 This Week
    Last Update:
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