Chronos today announced the release of StickyBrain 3.1, a free update to its popular note manager for Mac OS X. Version 3.1 brings Palm handheld synchronization in addition to its iPod synchronization. StickyBrain 3.1 also adds 14 new features and over 30 enhancements, bug fixes, installer improvements, and performance increases. StickyBrain sells for US$39.99.