• Weather forecast (needs to be able to add text and images to the main window or so, so we need some Qt GUI interfaces there)

#203

Add option to customize the Now Playing format

#205

Offer LaTeX formula rendering as plugin

#217

Design a plugin interface including scripting support

#220

Display the number of e-mail inbox messages for gmail accounts

#352

Implement secure channel / OTR support

#366

Create a plugin to display a secondary in-chat-only name

#391

Filter unwanted words in chat messages

#428

Predefined Sentences plugin

#532

Allow to see youtube videos in KMess