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.

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  • 1
    gSOAP Toolkit

    gSOAP Toolkit

    Development toolkit for Web Services and XML data bindings for C & C++

    The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming, SOAP and REST Web API development, WS-* protocols (WS-Security, WS-Policy, WS-ReliableMessaging, etc), XML-RPC and JSON. Licensed under GPLv2. Visit the developer center with guides, tutorials, and examples at www.genivia.com/dev.html The documentation of the toolkit, libraries, plugins and more is available at www.genivia.com/docs.html Commercial-use licenses and expert technical support services are available at competitive pricing levels, please visit www.genivia.com/products.html
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    Downloads: 403 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: 13 This Week
    Last Update:
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  • 3
    LimeChat is an IRC client written on RubyCocoa.
    Downloads: 13 This Week
    Last Update:
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  • 4
    Visual IRC is a feature-rich, fully customizable IRC client for Windows. Multiple server support, a powerful scripting language, a clean interface, and DCC whiteboard are just a few of the features that define this unique program.
    Downloads: 13 This Week
    Last Update:
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  • 5
    Voice Chat Activex Is Activex that will bring conference sound into your application. Voice Chat Activex can broadcast audio stream over the TCP/IP network
    Downloads: 3 This Week
    Last Update:
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  • 6

    AJAX Chat - Open Source Web Chat

    Fully customizable web chat created using AJAX.

    MOVED: This project has moved to https://github.com/Frug/AJAX-Chat AJAX Chat is a fully customizable web chat implemented in JavaScript, PHP and MySQL which integrates nicely with common forum systems like phpBB, MyBB, PunBB, SMF and vBulletin. A Flash and Ruby based socket connection can be used to boost performance.
    Downloads: 1 This Week
    Last Update:
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  • 7
    Pueblo/UE
    The Pueblo MUD/MUSH/MOO/etc client, originally developed by Chaco Communications. Updated, improved, and open source! The client provides access to "virtual worlds", supporting HTML, colour, forms, and images.
    Downloads: 4 This Week
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  • 8
    Gamers.IRC

    Gamers.IRC

    Full mIRC MSL Script

    Gamers.IRC is a full MSL Script for mIRC, the most popular Windows IRC client. Gamers.IRC is for Windows 95 and higher. Source code: Download and run the installer. Open the .grc and .ini files with notepad.
    Downloads: 1 This Week
    Last Update:
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  • 9
    PHP 2 Way Webcam Video Chat

    PHP 2 Way Webcam Video Chat

    1 on 1 Webcam Videochat Script with P2P Support

    This is a web based instant 1 on 1 private online video conferencing solution. It's a solution for conducting easy to setup face to face meetings without leaving your office or home. It's the easiest and most cost-effective way to meet somebody and discuss one on one, to make a video call just by providing a private room access link.
    Downloads: 1 This Week
    Last Update:
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  • 10
    JClaim
    Java Instant Message (IM) Library, Client and Tools. Flexible framework to design your own. AIM, ICQ, Yahoo, MSN, Jabber, SMS, Nate, GoogleTalk. GUI, spell checking and more. Includes a web interface for remote/cell access. Mac, Win, Linux friendly
    Downloads: 1 This Week
    Last Update:
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  • 11
    RvF-bot is an mIRC script that enables you to play a "Wheel of Fortune" game on a chatbox on IRC. Languages available: - Dutch - Spanish. This project is discontinued, but it works.
    Downloads: 1 This Week
    Last Update:
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  • 12
    P10 IRC Services for the Undernet IRC Daemon written in C++. We are also continuing the development of the old EUworld, thus our name, NEUWorld (new world)
    Downloads: 1 This Week
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  • 13
    Null Groupware is a self-hosting web based groupware system written in c. It's portable, modular, and has a complete api for third party developers' extensions. Features include event scheduling, call tracking, contact management, web-based email, a w
    Downloads: 1 This Week
    Last Update:
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  • 14
    The PHP:IRC suite allows you to run an IRC applet on your site, an IRC "bot" similar to eggdrop, and to administer them as well as CGI:IRC. PHP:IRC is compatible with CGI:IRC, phpBB, YaBB, and other communities.
    Downloads: 1 This Week
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  • 15
    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:
    See Project
  • 16
    PyGCS is a very stripped down MUD-like chat-server written entirely in Python. It has a single "room" and no large database to keep in memory and on disk. PyGCS has no embedded programming language.
    Downloads: 1 This Week
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  • 17
    This is the place where you will find software, art, and music made by the members of SEE.
    Downloads: 1 This Week
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  • 18
    TIPcon1 is a standards-compliant soft phone using text, voice and video with accessibility features.
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    Downloads: 1 This Week
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  • 19
    This is a robust client for the AOL Instant Messenging service using the Emacs text editor as it's UI. That's right -- you can use AIM from within emacs! TNT has been described as "IM for adults".
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    Downloads: 1 This Week
    Last Update:
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  • 20
    TMSNC is a text-based (console) MSN client written in C. TMSNC should work on most Unix (Linux, BSD, MacOS) compatible operating systems. The goal of this project is to create a client like MSN Messenger, without any graphical features.
    Downloads: 1 This Week
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  • 21
    Voice Chat Using Visual Basic 6, For LAN Only :D
    Downloads: 1 This Week
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  • 22

    2-WaySMS Messenger for Wordpress

    SMS plugin messenger with reliable SMS gateway connection.

    http://youtu.be/UhhMFF4a6fk Video instruction! Simple and easy for usage 2waysms messenger. This wordpress plugin allows you send bulk or single SMS messages and receive SMS answers to your SMS Number. http://wordpress.org/extend/plugins/2-waysms-messenger/ http://downloads.wordpress.org/plugin/2-waysms-messenger.zip Upload 2-waysms-messenger folder to the /wp-content/plugins/ directory Activate the plugin through the 'Plugins' menu in WordPress Go to 2-WaySMS Settings in admin panel To activate SMS sending enter your Token and Number and click Save For SMS receiving, copy generated link from Receiver script field Log in to your 2-WaySMS account http://www.2-waysms.com/my / My numbers / Settings Set [Forward all Inbound Messages to the following URL] and paste copied link Plugin ready for SMS sending and receiving
    Downloads: 0 This Week
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    See Project
  • 23
    Artificial Intelligence Electronic Manipulation Bot will be designed for developing A.I on the web using standard protocols of communication such as ICQ, MSN, and especially AIM. The Bot will be able to under stand and collect as much data as possible fro
    Downloads: 0 This Week
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  • 24
    A project to make a clean, efficient IRC client for Mac OS X in Cocoa.
    Downloads: 0 This Week
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  • 25
    Awsome NUTS (AWNUTS) was a talker base directed to the visual challenged, having in mind that the best chat environment for the visual challenged are talkers with the help of Jaws. This project is now dead, it is recommended the use of TZMud instead.
    Downloads: 0 This Week
    Last Update:
    See Project
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