Chat Software for Windows

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Browse free open source Chat software and projects for Windows 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
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net
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    Downloads: 2,208 This Week
    Last Update:
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  • 2
    DC++

    DC++

    A Windows client for the Direct Connect networks

    DC++ is an open source Windows client for the Direct Connect file sharing network. The DC network is a decentralized network, made up of individual servers (hubs) that users join to share files with other members on that hub. Each hub is individually run by a fellow user of the DC network, and may have certain themes to the content on the hub. Hub owners set up rules to regulate their hub as they see fit.
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    Downloads: 1,243 This Week
    Last Update:
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  • 3
    Psi+

    Psi+

    Psi+ Project — development branch of Psi XMPP client

    Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Previously is was a sort of fork but now just consider it as a space for nightly builds.
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    Downloads: 555 This Week
    Last Update:
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  • 4
    Psi

    Psi

    Psi IM — Qt-based XMPP client

    Psi is cross-platform powerful XMPP client designed for experienced users. There are builds available for MS Windows, GNU/Linux and macOS.
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    Downloads: 298 This Week
    Last Update:
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    Ares Galaxy

    Ares Galaxy

    A free peer-to-peer (P2P) BitTorrent file sharing client

    Ares Galaxy is a free, open source BitTorrent and chat program that uses its own decentralized supernode/leaf network. Ares Galaxy has a simple, quick access interface with a built in audio/video viewer. Ares allows you to share any digital file including images, audio, video, software, documents, etc. You may now easily publish your files through the Ares’ peer-to-peer (P2P) network. As a member of the virtual community, you can search and download just about any file shared by other users. The latest versions also support the BitTorrent protocol and Shoutcast radio stations.
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    Downloads: 1,018 This Week
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  • 6
    EiskaltDC++

    EiskaltDC++

    Program for filesharing using Direct Connect and ADC protocols

    EiskaltDC++ is a cross-platform program that uses the Direct Connect and ADC protocols. It is compatible with DC++, FlylinkDC++, LinuxDC++ and other DC clients. EiskaltDC++ also interoperates with all common DC hub software.
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    Downloads: 71 This Week
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  • 7
    phpMyChat

    phpMyChat

    Standalone chat system developed in php, mysql and javascript

    phpMyChat-Plus is an easy-to-install, easy-to-use multi-room PHP/DB chat. It is currently available for MySQLi, MariaDB, PostgreSQL, and ODBC. It supports IRC-like commands, moderators, is available in 24 languages and fully compatible with php7.
    Downloads: 15 This Week
    Last Update:
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  • 8
    Mibew Messenger 3
    Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
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    Downloads: 54 This Week
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  • 9
    AChat enables you to chat on your local network (LAN). But you can also share entire directories or send specific files, show images to other users and send messages even to users who are currently offline. Everything with full Unicode support.
    Downloads: 11 This Week
    Last Update:
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  • 10
    dxirc
    dxirc is simple IRC client
    Downloads: 8 This Week
    Last Update:
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  • 11
    Nicotine+ is a fork of Hyriand's Soulseek PyGTK2 client, Nicotine. Fixing bugs, adding new features, and keeping up-to-date with Soulseek's protocol is the goal of this project. The most popular Multi-OS Soulseek client is getting an upgrade.
    Downloads: 4 This Week
    Last Update:
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  • 12

    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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  • 13
    Opensource IRC flash client, written in Flex-SDK which uses direct client-server connection without any server side interpreter.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Communication protocol for advanced clients of talker Atlantis (now running at atlantis.talker.sk). No implementation. No source code. Only specfication.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Claros InTouch is a webmail, instant messenger, addressbook, calendar and notes application. Written with usability and enterprise readiness in mind, Claros inTouch aims to fulfill the need for a stable, full featured Ajax messaging application
    Downloads: 0 This Week
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  • 16
    IntrakChat is simple IRC client writen in PyGTK for comunity purposes ...
    Downloads: 0 This Week
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  • 17
    Only for slovak or czech speaking users! Na nete som nenašiel žiaden IM, ktorý by bol mluti-platformový. Tak som jeden urobil - okrem textových správ umožňuje aj audio komunikáciu.
    Downloads: 0 This Week
    Last Update:
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  • 18
    NOTE: This code has not been updated since 2005. Keeping it here for historical purposes. NOTE2: The code will not most probably compile against latest SILC libraries or with latest GTK either. Silky WAS a secure chat client for SILC (Secure Internet Live Conferencing) protocol. The code is written in C and the GUI is implemented using the GTK toolkit. Supported operating systems include Linux and Windows.
    Downloads: 0 This Week
    Last Update:
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  • 19
    Desktop client for Atlantis Talker (http://atlantis.talker.sk/) based on NetBeans Platform. This client will have separate tabs for different channels of communications (private tells, shouts, games, ...)
    Downloads: 0 This Week
    Last Update:
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  • 20
    Gazet is GAIM plugin for azet web chat. Hopefully more web chats will be supported in the future.
    Downloads: 0 This Week
    Last Update:
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