Eimp is a plugin for Eclipse. It integrates some popular in protocols (MSN, YAHOO, ICQ, AIM, etc).
festival-gaim speaks with your incoming messages with a synthetic voice.
Gaim-Assistant allows you to forward messages to a different screen name should you become away.
gaim-blocky is a gaim plugin to block messages from certain contacts in a protocol-independent way.
Gaim-Encryption provides transparent RSA encryption as a Gaim plugin using the Mozilla NSS libraries. Key sizes up to 4096 bits are supported. It works with Gaim on most platforms, including Windows. Keys are automatically generated, transmitted, and saved.
gaim-h4x0r allowss you to convert your words to script-kiddie/h4x0r talk.
Gaim-LaTeX is a plugin which translate LaTeX code into image in your IM conversation.
GAIMnOSD is a plugin for GAIM allowing to print events outside of any windows in TV menu style. The plugin uses the XOSD library for output. It allows setting the size, position and the color of the notification messages.
gaim-piglatin is a simple plugin.
gaim-redneck converts your own speach to southern colloquialisms.
gaim-vowel removes all vowels from incoming messages.
GAINT is a Gaim-plugin which provides mIRC's fserve like functionality. Currently LIST, GET, CD, PWD and HELP are supported.
Guifications is a Gaim plugin that displays msn style "toaster" popups in a user defined corner of the screen. It's highly configurable, easy to use, and has theme support. It really is the end all, be all, toaster popup plugin for Gaim!
Kopete SILC is an SILC protocol plugin for Kopete, the KDE Instant Messenger. It is based on libsilc, which is part of the SILC Toolkit.
Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing encryption, authentication, deniability, and forward secrecy.
pidgin privacy please
pidgin privacy please is a pidgin plugin to stop spammers from annoying you. You can block messages from certain users, block messages from people who are not on your contact list, and suppress repeated authorization requests. Optionally, senders of blocked messages can be notified with an auto-reply.
gaim-hotkeys is a Gaim plugin that allows you to define global hotkeys for various actions such as toggling buddy list, fetching queued messages, opening preferences or account dialog.
rusconv is a plugin for Gaim messenger (supporting ICQ2000 protocol) which converts messages between cp1251 and KOI8-R codepages on the fly.
wmGAIM is a WindowMaker dockapp plugin for GAIM.