Word Index
WordIndex is a Word 2007/2003 Add-in that helps to build index for big documents, using the word "Insert Index/AutoMark" feature.

WORD INDEX helps you to build index for big books written with Word 2007 or Word 2003.

WORD INDEX offers two features :
The list of words that are generated by WORD INDEX can then be used to build an index with Word 2007 menu Reference, Insert Index, AutoMark or Word 2003 menu Insertion, Reference, Tables and Index..., AutoMark.

Word Index uses multithreading on multi-CPU computers to achieve performances on word filtering using .NET 3.5 regular expression matching.