Freenotes.org is an online service that offers to create and share notes for free.
There is no need to register/login to use freenotes.org, hence you can use freenotes.org in a completely anonymous way.
Freenotes using TinyMCE as its primary WYSIWYG editor.
The theme is using 7.css by khang-nd.
The taskbar style is from https://nainemom.github.io/win7/