Script Debugger version 1.0 was released in 1995 by [[Mark Alldritt]]. Itwasas a [[Third-party software component|third-party]] alternative to Apple's [[freeware]] application, [[Apple Developer Tools#Script Editor|Script Editor]]. Its competitors at that time included [[ScriptWizard]] and [[Main Event Software]]'s popular [[Scripter (software)|Scripter]]. These two products today are defunct, leaving as the only other competitors in the field being [[Satimage]]'s [[Smile (software)|Smile]] and [[integrated development environment]]s such as [[FaceSpan]] (also from Late Night) and [[AppleScript Studio]].
ScriptFrom Debuggerversion 1 on the program contained several notable features: it was "scriptable," (it could be used to create scripts to control itself), ''recordable'', (it could create scripts based on user actions), and ''attachable'', (scripts could be written to respond to [[Event-driven programming|events]]). More importantly, Script Debugger now allowed inspection of running applications, to see what events they were emitting. True to its name, Scriptthe Debuggernew utility also containscontained a full debugger, with support for breakpoints.
Script Debugger has since won many awards in the Macintosh scripting community. Version 1 received "5 mice" from [[MacUser]] and 4 stars from [[MacWEEK]]. Version 2 received the 2000 [[Macworld Eddy]] for "Best Development Software", and received "4.5 mice" from both [[MacUser]] and [[Macworld]].