Yes, both Microsoft OneNote and NoteStack offer a Free Trial.
Microsoft OneNote is designed for Large Enterprises, Medium Business and Small Business.
NoteStack is designed for Freelancers, Medium Business and Small Business.
The starting price of NoteStack begins at $7/Month, while pricing details for Microsoft OneNote are unavailable.
Some top alternatives to Microsoft OneNote includes Evernote, Zoho Notebook, Amanote, Notes.io, Google Keep, UpNote, Easynote, Notability and Einote.
Some top alternatives to NoteStack includes Evernote, Brainio, Amanote, Notes.io, Triqla, Microsoft OneNote, Notability, Einote and Note-Smart.