MathMagic Pro Edition for Adobe InDesign is an equation editor
For Adobe InDesign CS5/CS5.5/CS6 only BigPicture gives you the most comprehensive solution for managing graphics and picture links in Adobe InDesign..
Retrieves number separators correctly in spreadsheets.
InDesign/InCopy plug-in for converting legacy print documents into e-books.
Benefit of handy font- and spacing-related features.