Sticky notes in Notezilla supports sophisticated text formatting features:

• Format text (font style, size & color).
• Bullets, numbering & checklist.
• Outlining (multi-level bullets & numbering).
• Count words, characters.
• Insert the current date & time into a sticky note.
• Paste as unformatted plain text.
• Automatic spell-check.
• Optional Markdown text formatting.

Watch a short video (1m 46s) - Formatting text in Standard editor.
Watch a short video (2m) - Formatting text in Markdown editor.