You can do this with a normal word processor, but free writing management software packages such as EverNote and Manuscript Tracker can do it, too.
Evernote - Evernote is a 21st century notebook that allows you to capture things you want to remember and store them in a centralized place.
EverNote uses a connection to the company's online databases to help you keep track of your notes, your projects and your various drafts.
Evernote: This app might sound similar to Dropbox in some ways, but it works in a completely different way.
The Evernote app allows you to jot down reminders, make recordings and record snapshots.