Xdiary is a simple X11 application that displays a one-month or full-year calendar, in association with a two-pane daily diary. The first pane shows the current day items, and the second pane shows the past and next items to come. The internal editor allows drag-n-drop, has a few emacs-like bindings, and is rather efficient in spite of a small memory footprint. Xdiary can print diaries and month/year calendars, and supports seven languages.