This template uses the tikz-kalender class, which draws calendars with TikZ and its calc and calendar libraries. Example 2 is a two-page German 2016 calendar in which the months are set in columns and the calendar week number appears in square brackets on Mondays. Events can be read from .events files. The code is under a Creative Commons licence (CC-BY-SA).
Shared under the Creative Commons Attribution-ShareAlike 4.0. All credit to Rolf Niepraschk; the licence comes with the project's files.