Yes, both Bear and Scrapbox offer a Free Trial.
Bear is designed for Large Enterprises, Small Business, Medium Business, Freelancers and Individuals.
Scrapbox is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Bear Starts at $2.49per month when Billed Yearly whereas for Scrapbox Starts at $10/User/Month.
Some top alternatives to Bear includes and undefined.
Some top alternatives to Scrapbox includes Evernote, Nimbus Note, Notes.io, CoderNotes, UpNote, Knote, Einote, NoteStack and Note-Smart.