AppleScript OSAXen
You have found the way to OSAXen on AppleScript:
ACME Script Widgets - Scripting additions for text and list manipulations. Also helps with cgi scripts.
Appearance OSAX - Scripting addition featuring display alert, post notification and more soon - 46k.
AppleScript Formatting - Scripting addition to get and set AppleScript formatting styles.
Application Menu - Scripting addition that automates access to the Application menu
FindFile OSAX - Scripting addition lets users search for files within scripts.
Jon's Commands - Scripting addition with over 30 commands.
Prefab Software - Developer of PreFab Player, an extension that allows AppleScript to control user interface, and Text Machine, an application that gives AppleScript advanced text editing tools.
Script DB - A scripting addition that gives AppleScript built-in database commands, such as insert, delete, sort and find records. Supports FileMaker Pro.
Scripting Additions Database - Includes database of information about Scripting Additions (osaxen) for AppleScript.
SmartWrap - Scripting addition that wraps text.
Tanaka's osax - Scripting addition for manipulations of Japanese texts, and cgi scripts.
XML Tools - Scripting addition that parses and generates XML. Help build the largest human-edited directory on the web.