ICQ Software for Windows

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

  • Achieve perfect load balancing with a flexible Open Source Load Balancer Icon
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    Take advantage of Open Source Load Balancer to elevate your business security and IT infrastructure with a custom ADC Solution.

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    Gain insights and build data-powered applications

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  • 1
    Miranda IM

    Miranda IM

    A smaller, faster, and easier IM client

    Miranda IM is an open source, multi-protocol instant messaging client designed to be very light on system resources, extremely fast and customizable. A powerful plugin-based architecture make Miranda IM one of the most flexible clients on the planet.
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    Downloads: 463 This Week
    Last Update:
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  • 2
    Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.
    Downloads: 13 This Week
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  • 3
    Miranda NG

    Miranda NG

    Miranda NG: Next Generation of Miranda IM

    Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows, Miranda IM. Very light on system resources and extremely fast. Supports Em-LAN Facebook, Gadu-Gadu, ICQ / MRA, IRC Internet Relay Chat, Jabber XMPP, MinecraftDynmap, Omegle, Sametime, SkypeWeb, Steam, Tox, Twitter, and VKontakte. Linux is not a natively supported operating system, but Miranda is known to run on Linux under Wine. PluginUpdater is responsible for keeping your Miranda up-to-date. It checks for updates for all installed plugins and other components like icon sets and langpack regularly (depending on its settings) and performs updating automatically.
    Downloads: 1 This Week
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  • 4
    A pidgin plugin that allows user to assign global hotkeys (e.g. Ctrl+Alt+g) for togglling buddy list and reading queued message. When "Toggle List" hotkey is enabled, it makes the buddy list hidden from your taskbar and task switcher (similar to ICQ).
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    Downloads: 14 This Week
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  • Multi-Site Network and Cloud Connectivity for Businesses Icon
    Multi-Site Network and Cloud Connectivity for Businesses

    Internet connectivity without complexity

    As your users rely more and more on Cloud and Internet-based technologies, reliable internet connectivity becomes more and more important to your business. With Bigleaf’s proven SD-WAN architecture, groundbreaking AI, and DDoS attack mitigation, you can finally deliver the reliable internet connectivity your business needs without the limitations of traditional networking platforms. Bigleaf’s Cloud Access Network and plug-and-play router allow for limitless control to and from anywhere your traffic needs to go. Bigleaf’s self-driving AI automatically identifies and adapts to any changing circuit conditions and traffic needs—addressing issues before they impact your users. Bigleaf puts you in the driver’s seat of every complaint and support call with full-path traffic and network performance data, delivered as actionable insights, reports, and alerts.
  • 5
    ICQMail is ICQ->Email gateway daemon
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    Downloads: 15 This Week
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  • 6
    A free Win32 instant messaging client. Smaller, Faster, Easier.
    Downloads: 4 This Week
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  • 7
    YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.
    Downloads: 13 This Week
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  • 8
    icqlib is the most feature complete, open source, library implementation of Mirabilis' ICQ protocol available on the Internet. icqlib currently supports approximately 90% of the ICQ UDP v5 protocol and 80% of the ICQ TCP v2 protocol.
    Downloads: 12 This Week
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  • 9
    Jimm is an ICQ clone for mobile devices, such as celluluar phones. It is written in Java 2 Micro Edition (MIDP) and uses protocol version 8. Jimm is not affiliated with or endorsed by ICQ, Inc.
    Downloads: 2 This Week
    Last Update:
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  • Holistically view your business data within a single solution. Icon
    Holistically view your business data within a single solution.

    For IT service providers and MSPs that need a data platform to manage their processes

    BrightGauge, a ConnectWise solution, was started in 2011 to fill a missing need in the small-to-medium IT Services industry: a better way to manage data and provide the value of work to clients. BrightGauge Software allows you to display all of your important business metrics in one place through the use of gauges, dashboards, and client reports. Used by more than 1,800 companies worldwide, BrightGauge integrates with popular business solutions on the market, like ConnectWise, Continuum, Webroot, QuickBooks, Datto, IT Glue, Zendesk, Harvest, Smileback, and so many more. Dig deeper into your data by adding, subtracting, multiplying, and dividing one metric against another. BrightGauge automatically computes these formulas for you. Want to show your prospects how quick you are to respond to tickets? Show off your data with embeddable gauges on public sites.
  • 10
    PHP2ICQ is a libary which lets you easily send ICQ Messages from your own php scripts by using a direct connection to the ICQ server via the Oscar protocol (ICQ v7/v8/v9). It is completely written from scratch.
    Downloads: 2 This Week
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  • 11
    Kraken XMPP IM Gateway
    Kraken is a continuation of the Openfire IM Gateway plugin, but in a way that works for any XMPP server. It provides a way for XMPP users to log into, and communicate through, their legacy IM accounts such as AIM, ICQ, MSN, Yahoo, and friends.
    Downloads: 1 This Week
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  • 12
    Ayttm is an instant messenger program, supporting various protocols such as MSN, Yahoo, AIM, Jabber, and more. It is the heir of the Everybuddy project, and aims to continue improving the program and addressing its shortcomings.
    Downloads: 2 This Week
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  • 13
    A miniature console based AIM client written in pure Java. It implements the TOC protocol and provides a solid framework for understanding and writing your own IM clients or bots.
    Downloads: 3 This Week
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  • 14
    Instant Messenger gui made with nice Fishs. Written in python. (now only Gtk, may be later we use Qt and others). Main objetives are: be nice, fast, usable, portable, and sopport different free messengers systems/backends
    Downloads: 1 This Week
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  • 15
    Multiprotocol plugin-based instant messenger for X11 (optionaly support KDE), Windows and MaxOS X.
    Downloads: 1 This Week
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  • 16
    ICQ clone born to satisfy my needs. It runs as well on a 486 with win95, on a single diskette, so it's fast and small.
    Downloads: 0 This Week
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  • 17
    Configurable and extendable Icq client written in Tcl/Tk. Supports ICQv8 (OSCAR) protocol.
    Downloads: 0 This Week
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  • 18
    Anastacia Messenger is a multi protocol instant messenger, currently supporting ICQ, MSN and Yahoo. Written in Java, it offers a solution for people working with different operating systems, giving them the chance to use the same messenger/gui anywhere.
    Downloads: 0 This Week
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  • 19
    Babel IM is a skinnable instant messenger, with plugins for ICQ, AIM, MSN, Yahoo & RSA crypto. All functionality is provided through the plugin interface, so Babel is highly customizeable.
    Downloads: 0 This Week
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  • 20

    Black Panda Instant Messenger

    Instant Messenger provides user with an easy way to chat with friends.

    Instant Messenger provides user with an easy way to chat with friends from many popular networks in one integrated program. Supported IM networks are ICQ, AOL, Google Talk, Facebook, MSN, IRC, Skype, Gagu-gadu a many more. It is based on great Pidgin Instant Messenger project.
    Downloads: 0 This Week
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  • 21
    Boltun is a chat bot plugin for Miranda IM with its own engine.
    Downloads: 0 This Week
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  • 22
    Provide a secure and centrally managed Business Instant Messaging Solution (server/client), including Chat, Voice / Video Conferencing, File Transfer, Emoticons, Dictionary and Tools add-in function etc.
    Downloads: 0 This Week
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  • 23
    This program serves as a link between two or more chat networks, allowing users on one network to communicate with users on another network. For example, you can be logged onto Battle.net and be talking to people on IRC and people on AIM at the same tim
    Downloads: 0 This Week
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  • 24
    This is a Jabber Instant Messenger written in Visual Basic 6. This project is dead.
    Downloads: 0 This Week
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  • 25
    The goal of CryptoJIM project is to create a cross platform instant messenger with support for a central encrypted message archive, transparent message encryption and several IM Protocols. At first priority it will support the ICQ Protocol.
    Downloads: 0 This Week
    Last Update:
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