Vote for CodeTwo Public Folders
Thanks to this software you can easily share contacts, email, calendars, tasks and even Office docs with others all without needing an expensive and complicated Exchange server. CodeTwo Public Folders lets you share your personal folders and create public folders in Outlook, where many users can publish and share their data in the network and work on them simultaneously.
Software synchronizes data between many Outlook clients in the local network. The synchronization is performed in the background, automatically, in real-time and is transparent for users.