Installation Instructions:
Download this desklet from their website :
https://github.com/lestcape/Sticky-Notes Unzip the downloaded file and copy the folder stickyNotes@lestcape at /home/USERNAME/.local/share/cinnamon/desklets/ where USER is the user for your operating system.
Enable the desklet in Cinnamon Settings and use it.
Кстати
IMPORTANT: Use with Cinnamon 3.0 or higher.