Eltima has released a freeware alternative to Missing Sync called SyncMate that allows you to synchronize Favorites, Contacts, Calendar and Notes between a Mac OSX computer and Windows Mobile 5 or 6 Pocket PC or Smartphone. You can synchronize Windows Mobile 5 or 6 (Standard, Classic or Professional) with Mac OS 10.4 or higher.

Key highlights and features of SyncMate for Mac OSX and Windows Mobile include:

SyncMate: Free Synchronization utility for Mac OSX and Windows Mobile

+ Install applications to your mobile phone;
+ Synchronize Favorites, Contacts, Calendar and Notes with their analogs Bookmarks, Address Book, iCal and Stickies accordingly;
+ Get information about the device (OS, memory status, alarms, battery state, etc.), view memory status diagram;
+ Manage SMS (Inbox and Outbox, drafts, sent and deleted messages);
+ Keep track of what was done by SyncMate with actions log.
+ Built-in converter to compress video to MPEG4, and resize images while copying to Windows Mobile device

Download the beta version of SyncMate for Mac OSX from here