This standalone offline web browser tool helps you remove duplicate lines from your text, with additional text processing options.
Simply open it in your browser by double-clicking the html file. It also includes the source code too.
I made this when I was working with long lists of entries and needed something to automatically clean them up.
As a bonus you can also change the Sentence Case of the text, make it lowercase, UPPERCASE or Sentence case.
Web (PHP) based Grocery List generating software that supports barcode scanning. The list is maintained in a database with remote tools for adding, editing, deleting, and printing.