MacRumors.com

With Leopard's official announcement, Apple now details a list of 300+ new features that can be found in Mac OS X 10.5.

Sitening compiled a list (with descriptions) of 16 of what they felt were the coolest least known features coming in Leopard.

• TextEdit: OpenDocument and Word 2007 Formats
• Terminal: Workspaces
• .Mac Sync for System Preferences
• Guest Log-In Accounts
• Grammar Check
• Scroll Non-Active Windows
• Printer Drivers via Software Update
• PDF Manipulation in Preview
• Self-Tuning TCP
• Archive Mailbox
• SMS Forwarding
• Event Dropbox
• Font Auto-Activation
• Instant Screen Sharing from the Finder
• Wikipedia in Dictionary
• Synchronize with Yahoo! address book

Yesterday, we took a look at some of the under the hood improvements and system requirements as compared to Tiger.

Meanwhile, AppleInsider looks at iCal 3.0 and Safari 3.0, and Apple has updated their website, which shows off the major new features of Leopard.