We have just released our new 1.3 version of our Flex Calendar with major improvements : 

•  FLEX 4 compatible version
• Custom renderers: you can use your own event renderers (month/week/day views & year view)
• Defaut renderers display enhancements: gradients & highlight upon rollover
• Year view event display
• Enhance localization supports : dates & hours format, day & month names
• Stacked event display (week & day view)
• Hour height, hour start & hour end (week & day view): only focus on a period in the day
• Day hiding: only focus on some days in the week
• Miscellaneous enhancements + new properties...