Mac Break Weekly (http://www.mbwpicks.com not yet updated for show 276) mentioned that iCloud works with BusyCal (their website blocked at work ??) on OLDER OSes “Out of the box”
http://tidbits.com/article/12558
BusyMac makes it clear that BusyCal 1.6 is not all that is necessary to make the iCloud transition problem-free, and to that end has provided an informative upgrade guide for the iCloud transition.
www.busymac.com/
And later, Don McAllister mentioned it’s in one of the four current ‘winter bundle’ software sites… ($40)
http://maclegion.com
$50 TechTool pro, IconBox, TotalFinder, Postbox, Labels, DVD Ripper Pro, Back in Focus, NeverWinter Nights, Hear, iClip, Foders Synchronizer
https://www.mupromo.com
$50 MotionComposer, Nisus Writer, Photostyler, Bellhop, Boom, TidyUp, RemoteBuddy, Mac Gourmet, RubberNet, AppDelete.
http://www.productivemacs.com à BUSY CAL
$40 Fantastical, BusyCal, Home Inventory, NoteBook, Default Folder X, LaunchBar, Cashculator, Tags
http://bundlehunt.com
$50 BannerZest, DevonThink, Little Snitch, pulpmotion, Smashing Magazine, WP Dundle, Gomedia Arsenal, Themify, DIskDrill, MacPilot, White Space Iconset, CopyHackers