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.

  • Recruit and Manage your Workforce Icon
    Recruit and Manage your Workforce

    Evolia makes it easier to hire, schedule and track time worked by frontline in medium and large-sized businesses.

    Evolia is a web and mobile platform that connects enterprises with 1000’s of local shift workers and offers free workforce scheduling and time and attendance solutions. Is your business on Evolia?
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    Propelling Payments for Software Platforms

    For SaaS businesses to monetize payments through its turnkey PayFac-as-a-Service solution.

    Exact Payments delivers easy-to-integrate embedded payment solutions enabling you to rapidly onboard merchants, instantly activate a variety of payment methods and accelerate your revenue — delivering an end-to-end payment processing platform for SaaS businesses.
  • 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: 238 This Week
    Last Update:
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  • 2
    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
    Last Update:
    See Project
  • 3
    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: 13 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: 16 This Week
    Last Update:
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  • JobNimbus Construction Software Icon
    JobNimbus Construction Software

    For Roofers, Remodelers, Contractors, Home Service Industry

    Track leads, jobs, and tasks from one easy to use software. You can access your information wherever you are, get everyone on the same page, and grow your business.
  • 5
    A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
    Downloads: 5 This Week
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  • 6
    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: 14 This Week
    Last Update:
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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: 12 This Week
    Last Update:
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  • 8
    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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  • 9
    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).
    Leader badge
    Downloads: 5 This Week
    Last Update:
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    It protects your internal resources such as behind-the-firewall applications, teams, and devices.
  • 10
    There are many people, who search server that support several protos and can work as corporate internet connection-independent ICQ gate.
    Downloads: 8 This Week
    Last Update:
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  • 11
    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: 2 This Week
    Last Update:
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  • 12
    ICQ7
    ICQ7 is an attempt to create a full-featured ICQ client for Nokia 7710 smartphone. Unlike many Symbian 7.0s ICQ clients, this one does receive non-english messages from Miranda IM correctly. Now available in Russian.
    Downloads: 3 This Week
    Last Update:
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  • 13
    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
    Last Update:
    See Project
  • 14
    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: 5 This Week
    Last Update:
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  • 15
    ICQMail is ICQ->Email gateway daemon
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    Downloads: 4 This Week
    Last Update:
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  • 16
    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: 4 This Week
    Last Update:
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  • 17
    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
    Last Update:
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  • 18
    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: 2 This Week
    Last Update:
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  • 19
    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: 3 This Week
    Last Update:
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  • 20
    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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  • 21
    climm is a portable, small, yet powerful console based, fully internationalized instant messaging client supporting the current v8 ICQ protocol and XMPP.
    Downloads: 1 This Week
    Last Update:
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  • 22
    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: 2 This Week
    Last Update:
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  • 23

    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: 2 This Week
    Last Update:
    See Project
  • 24
    A win32 client for the Jabber Instant Messaging network (www.jabber.org) written using the Euphoria language (www.rapideuphoria.com). Fully skinable using an XML skin format.
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    Downloads: 2 This Week
    Last Update:
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  • 25
    A “Miranda IM” plugin that adds support for exporting every message, URL or File you receive to a text file. Messages are exported to one file per user. New messages are exported when you receive them. Can be used as history management.
    Downloads: 1 This Week
    Last Update:
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