Gem is a toolkit (add-in) for OneNote 2010. 65 features collected now.

Some commonly used functions collection: Top new page, adjusts and arranging printouts, text box, list inserted files, merge pages, sort sections and pages, navigation pan for headings, open notebook by office web app, open common folders, notebook, section, page counter, outline cut and paste, table formula, Change Live ID, Table Sort, Attach file and Media file rename, Open Notebooks, Merge Tables, Bullets and Numbering sort, Table Of Contents Page, Table Of Contents Headings,Sort Sections by Color, Danger Size Alarm, Selected by Author, Clean Authors, Open Folder as Notebook, Highlight Text, Resize a Printout, Table to Excel, OneNote Gem - Excel Editor and so on ...