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.

  • Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid Icon
    Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid

    Leverage the email service that customer-first brands trust for reliable inbox delivery at scale.

    Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption.
  • PRTG Network Monitor | Making the lives of sysadmins easier Icon
    PRTG Network Monitor | Making the lives of sysadmins easier

    Stay ahead of IT infrastructure issues

    PRTG Network Monitor is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG Network Monitor optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more.
  • 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: 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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  • AI-based, Comprehensive Service Management for Businesses and IT Providers Icon
    AI-based, Comprehensive Service Management for Businesses and IT Providers

    Modular solutions for change management, asset management and more

    ChangeGear provides IT staff with the functions required to manage everything from ticketing to incident, change and asset management and more. ChangeGear includes a virtual agent, self-service portals and AI-based features to support analyst and end user productivity.
  • 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
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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
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  • 8
    ICQMail is ICQ->Email gateway daemon
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    Downloads: 4 This Week
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  • 9
    A free Win32 instant messaging client. Smaller, Faster, Easier.
    Downloads: 1 This Week
    Last Update:
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  • Codesoft Barcode Label Software Icon
    Codesoft Barcode Label Software

    RFID and barcode label software to set your business up for success

    CODESOFT is an enterprise-level RFID and barcode label design application offering unmatched flexibility, power, and support. Available in print-only, single-user, and network configurations, CODESOFT is designed to meet all of your barcode labeling needs. Whether your goal is streamlining label printing, printing labels using a form, connecting a scale to your label template, or integrating your business database with your label templates, CODESOFT provides a solution for your organization’s most advanced labeling needs. Connect to SQL or Oracle databases for business system integrations and greater efficiency. CODESOFT includes over 100 barcode symbologies including GS1, supports all common image formats, and enables rich text editing. Native printer drivers are included for over 4,000 thermal, thermal transfer, and inkjet label printers to ensure the best label printing quality.
  • 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:
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  • 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
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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
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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
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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:
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  • 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
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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
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