Take notes in Kosmik: Click Text in the toolbar, then click the canvas to place a text element.
Create other types of notes: Yes. Create sticky notes from the Text menu or by pressing S, then place them on the canvas. You can also add text inside shapes by double‑clicking the shape.
Can I use markdown in Kosmik? Not yet. We’re working on adding import/export markdown options in Kosmik. You can currently use the markdown syntax in text elements to format your texts.