Very practical if you are on your way to plan something only this month. You have the overview, but not too many rows. Perfect for a planning that stretches beyond a few weeks.
Only 12 months in 12 rows in any year. Good for a quick overview.
Broken link
This one I overlooked first, but became so popular that I decided to add several languages in the Month Search Box. You can ask for months in English, German, French, Dutch or Spanish and in the short version (jan, feb, etc.)