Open Light is a plug-in for AutoCAD Architecture / MEP and offers standardard labels for objects, such as openings, windows and doors, which are common in Austria and part of Switzerland.
Open Light provides additional display properties for Plan 1-50 and Plan 1-100 representation to show dimensions of doors and windows automatically.
Unzip the zip and start the Open Light 2013 x64.exe or Open Light 2013.exe depending on your operationg system.