You can run these scripts in InDesign:
AddGuides Adds guides around the selected object or objects.
AddPoints Adds points to the paths of the selected object or objects.
AdjustLayoutMoves objects by specified distances on right/left pages.
AlignToPage Aligns objects to specified positions on a page.
AnimationEncyclopedia Automatically creates buttons with different animation properties.
BreakFrame Removes a selected text frame and its contents from a story.
CornerEffects Re-draws the path of the selected item or items using a variety of corner effects. Corner effects can be applied to selected points on the path.
CreateCharacterStyles Defines a complete character style based on the selected text.
CropMarks Adds crop and/or registration marks around the selected object or objects.
ExportAllStories Exports all stories in a document to a series of text files.
FindChangeByList Performs a series of common text find/change operations by reading a tab-delimited text file.
ImageCatalog Places all graphics in a specified folder in a “contact sheet” layout.
MakeGrid Creates a grid by subdividing or duplicating the selected object or objects.
Neon Applies a “blend” effect to the selected object or objects.
PathEffects Changes the position of path points on the selected object or objects to add a creative effect.
PlaceMultipagePDF Places all pages of a PDF.
SelectObjects Selects objects on the active spread by their object type.
SortParagraphs Sorts the paragraphs in the selection alphabetically.
SplitStory Splits the text frames in the selected story into separate, unlinked text frames.
TabUtilities Applies tab stops and indents to the selected tex
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If you right-click on any of the scripts and select "edit", it will open up in ESTK, and often at the beginning of the script there is a description of what it does and how to use it.