Best Open Source ICQ Software 2026

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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

Jimm - Mobile Messaging

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.

9 Reviews

Downloads: 8 This Week

Last Update: 2013-04-25
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2

Bot Sentry

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.

9 Reviews

Downloads: 8 This Week

Last Update: 2013-04-22
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3

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.

18 Reviews

Downloads: 4 This Week

Last Update: 2017-11-08
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4

Funpidgin

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.

2 Reviews

Downloads: 0 This Week

Last Update: 2017-11-16
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