StickyNote is a Office Tools software developed by Tenebril Inc.. After our trial and test, the software is proved to be official, secure and free. Here is the official description for StickyNote:

EditByMarydown: StickyNote is the most popular virtual Post-It Notes program in the world. You can use StickyNote to create beautiful notes on your desktop; send them instantly over the Internet; manage them in notebooks; hide, search and print them; and much more. StickyNote comes with professional Backgrounds so you can make your notes look like paper, wood, brick with a click of the mouse. Send them over the Internet and they pop up on the recipients desktop instantly. You can send them through e-mail too. Add documents and other files to your notes to share with friends and colleagues. Manage lists of contacts; you can use StickyNote as your interoffice memo program.