Jarnal is a java based notetaking/sketching application

Jarnal is a java based notetaking/sketching application similar to
Microsoft One-Note. For tablet PCs it provides the ability to take
handwritten notes; for desktop PCs it allows users to take notes using
the mouse (or more sensibly) using the keyboard. Each page is stored in
SVG format, and the SVG pages are stored in a standard Zip file.