Simple and powerful to-do list manager. Just a text taking quite a little space - Windows Freeware. Cactusus is a program developed as a replacement for "sticky notes" on your desktop. Just a text taking quite a little space and always staying on top.

For each note your can define: - priority. Most important notes are placed at the top of list - "see also" remark. Comments are displayed in a tooltip of the note. "See also" remark may contain anything that Windows can understand and launch: doc file, web link etc. - comments