XLnotes add-in turns Excel into a unique free form notetaking application. Notetaking in Excel has many use cases, especially when you need to categorize large amounts of text and image data. Traditional notetaking software forces you to use a tree-like hierarchy, which does not allow you to set the relationships between individual notes, but Excel free form grid lets you to order and visualize your data in any way, be it documents, images, citations or notes.