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

  • Network Performance Monitoring | Statseeker Icon
    Network Performance Monitoring | Statseeker

    Statseeker is a powerful network performance monitoring solution for businesses

    Using just a single server or virtual machine, Statseeker can be up and running within minutes, and discovering your entire network in less than an hour, without any significant effect on your bandwidth availability.
  • The CRM you’ll want to use every day Icon
    The CRM you’ll want to use every day

    With CRM, Sales, and Marketing Automation in one, Act! gives you everything you need for happier clients, more revenue, and less stress.

    Act! Premium is perfect for small and midsize businesses looking to market better, sell more, and create customers for life. With unparalleled flexibility and freedom of choice, Act! Premium accommodates the unique ways you do business. Whether it’s customizations to fit your specific business or industry processes or your preferences for deployment and access, the possibilities with Act! Premium are limitless.
  • 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.
    Leader badge
    Downloads: 341 This Week
    Last Update:
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  • 2
    Adium

    Adium

    A multi-protocol instant messaging app for Mac OS X

    Adium is an Open Source, multi-protocol instant messaging application for Mac OS X. Adium supports AIM, ICQ, Jabber, MSN, Yahoo!, Google Talk, Bonjour, Gadu-Gadu, Novell Groupwise, SIP/SIMPLE (Text), and Lotus Sametime. Additionally, it supports all of these applications at once so, even if you have multiple IM accounts, you don't have to log into each account separately.
    Downloads: 10 This Week
    Last Update:
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  • 3
    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: 4 This Week
    Last Update:
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  • 4
    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: 5 This Week
    Last Update:
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  • HRSoft Compensation - Human Resources Software Icon
    HRSoft Compensation - Human Resources Software

    HRSoft is the only unified, purpose-built SaaS platform designed to transform your complex HR processes into seamless digital ones

    Manage your enterprise’s compensation lifecycle and accurately recognize top performers with a digitized, integrated system. Keep employees invested and your HR team in control while preventing compensation chaos.
  • 5
    Licq is an ICQ/AIM clone written fully in C++. It uses an extensive plugin system to manage many different functions including the MSN protocol. The main GUI is written using the Qt widget set.
    Downloads: 4 This Week
    Last Update:
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  • 6
    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: 12 This Week
    Last Update:
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  • 7
    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: 4 This Week
    Last Update:
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  • 8
    ICQMail is ICQ->Email gateway daemon
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    Downloads: 4 This Week
    Last Update:
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  • 9
    A free Win32 instant messaging client. Smaller, Faster, Easier.
    Downloads: 1 This Week
    Last Update:
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  • Intelligent network automation for businesses and organizations Icon
    Intelligent network automation for businesses and organizations

    Network automation for the hybrid multi-cloud era

    BackBox seamlessly integrates with network monitoring and NetOps platforms and automates configuration backups, restores, and change detection. BackBox also provides before and after config diffs for change management, and automated remediation of discovered network security issues.
  • 10
    Jarl is a Perl/Tk Client. It strives to provide full functionality with every aspect of the Jabber IM system. It currently supoprts messaging, chat, groupchat, ICQ, AIM, and IRC support.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    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: 3 This Week
    Last Update:
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  • 12
    Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.
    Downloads: 1 This Week
    Last Update:
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  • 13
    Kopete is a flexible and extendable multiple protocol instant messaging system designed as a plugin-based system.
    Downloads: 1 This Week
    Last Update:
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  • 14
    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: 1 This Week
    Last Update:
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  • 15
    Configurable and extendable Icq client written in Tcl/Tk. Supports ICQv8 (OSCAR) protocol.
    Downloads: 1 This Week
    Last Update:
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  • 16

    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: 1 This Week
    Last Update:
    See Project
  • 17
    This is an Artificial Intelligent response program using Eliza designed to use with the Autoreply 1.0 or higher plugin for LICQ. Let people think they are actually talking to you.
    Downloads: 1 This Week
    Last Update:
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  • 18
    There are many people, who search server that support several protos and can work as corporate internet connection-independent ICQ gate.
    Downloads: 1 This Week
    Last Update:
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  • 19
    Multiprotocol plugin-based instant messenger for X11 (optionaly support KDE), Windows and MaxOS X.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Scribis is an instant messenger for the ICQ, MSN, Jabber Network. Scribis runs on SkyOS (www.skyos.org) and uses its native UI called SkyGI.
    Downloads: 1 This Week
    Last Update:
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  • 21
    A plugin for Winamp which allows song change events to be forwarded to Snarl. To install, copy the gen_snarl.dll file, which can be found in the files section here, to C:\Program Files\Winamp\Plugins (default path for Winamp installations) and res
    Downloads: 1 This Week
    Last Update:
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  • 22
    WAP-mess - ICQ (Instant Messenger) wap gateway that enables icq on ANY wap-phone.
    Downloads: 1 This Week
    Last Update:
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  • 23
    The RISC OS ICQ client.
    Downloads: 0 This Week
    Last Update:
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  • 24
    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
    Last Update:
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  • 25
    Downloads: 0 This Week
    Last Update:
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