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.

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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.
    Leader badge
    Downloads: 256 This Week
    Last Update:
    See Project
  • 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: 12 This Week
    Last Update:
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  • 3
    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: 14 This Week
    Last Update:
    See Project
  • 4
    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: 8 This Week
    Last Update:
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  • Automated quote and proposal software for IT solution providers. | ConnectWise CPQ Icon
    Automated quote and proposal software for IT solution providers. | ConnectWise CPQ

    Create IT quote templates, automate workflows, add integrations & price catalogs to save time & reduce errors on manual data entry & updates.

    ConnectWise CPQ, formerly ConnectWise Sell, is a professional quote and proposal automation software for IT solution providers. ConnectWise CPQ offers a wide range of tools that enables IT solution providers to save time, quote more, and win big. Top features include professional quote or proposal templates, product catalog and sourcing, workflow automation, sales reporting, and integrations with best-in-breed solutions like Cisco, Dell, HP, and Salesforce.
  • 5
    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: 15 This Week
    Last Update:
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  • 6
    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: 5 This Week
    Last Update:
    See Project
  • 7
    A free Win32 instant messaging client. Smaller, Faster, Easier.
    Downloads: 4 This Week
    Last Update:
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  • 8
    ICQMail is ICQ->Email gateway daemon
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    Downloads: 14 This Week
    Last Update:
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  • 9
    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: 13 This Week
    Last Update:
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  • 10
    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: 13 This Week
    Last Update:
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  • 11
    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: 9 This Week
    Last Update:
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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: 4 This Week
    Last Update:
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  • 13
    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: 3 This Week
    Last Update:
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  • 14
    Proteus is a multi service instant messaging application for Mac OSX. At the core of Proteus is this Service Controller! This controller provides a common interface for any number of applications to plug into. Each application that knows how to commun
    Downloads: 4 This Week
    Last Update:
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  • 15
    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: 1 This Week
    Last Update:
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  • 16
    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.
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    Downloads: 3 This Week
    Last Update:
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  • 17
    There are many people, who search server that support several protos and can work as corporate internet connection-independent ICQ gate.
    Downloads: 3 This Week
    Last Update:
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  • 18
    Csicq is a client-server application that will enable connecting to the icq network using a Java applet without, violating the applet's security restrictions. The server side uses icqlib to maintain connection with the icq network.
    Downloads: 1 This Week
    Last Update:
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  • 19
    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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  • 20
    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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  • 21
    Downloads: 1 This Week
    Last Update:
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  • 22
    A GAIM perl script for an AI controlled personal assistant for when you aren\'t around!
    Downloads: 1 This Week
    Last Update:
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  • 23
    Icq# is a .NET implementation of the OSCAR/ICQ protocol specifications.
    Downloads: 1 This Week
    Last Update:
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  • 24
    Plugin for Pidgin messenger that saves your opened conversations at shutdown and restores its at startup.
    Downloads: 1 This Week
    Last Update:
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  • 25
    This is an unofficial native port of Pidgin to Mac OS X. It uses native GTK+ (www.gtk-osx.org) which provides better integration and does not require X11. It also comes with more plugins out of the box, including OTR.
    Downloads: 1 This Week
    Last Update:
    See Project
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