PDF-XChange Audience is definitely an alternate viewer for PDF files that allows one to annotate and view PDF files. You can include sticky notes, text, and additional annotations and conserve them for the docu...
The program Dynamic Notes is a multi-featured scheduler, reminder, and organizer for Windows allowing you to create electronic stickers and display them when the time is due.
Voice Sticky Notes2.3
With Voice Sticky Notes, you can create colorful sticky note with voice memo on your desktop and customize each note, include texture, color and size, set alarm time, lock or hide them.