Tray Icon (actually an application indicator).Create Note (from command line for keyboard shortcuts etc.).Here is the list of default plugins (you may need to install dependencies of some): Zim is extendible using plugins - such as the LaTeX plugin. Here is a quick screenshot demonstrating some of the features: It has a familiar 'notebook' layout with tabs. Zim supports rich text formatting, links between notes and to external resources, inline images and even LaTeX equations. Zim is a similar note taking application with wiki like features.