Omni Graffle 2.0b is a new public beta version of The Omni Group’s Mac OS X application for creating diagrams, flow charts, family trees and more, as noted by Version Tracker. Version 2.0 adds AppleScript support, support for URL links on graphics, layers, shape enhancements, line endings enhancements, export panel additions, auto-layout improvements, bug fixes and more. OmniGraffle sells for US$59.95.