Hypernotes is described as 'Way to store ideas in the same way that you think them. Notes can be created with images and text, organized in a tree structure and connected with internal hyperlinks. Written in Java, so it works wherever you go. (Requires Java 1' and is a Note-taking tool in the office & productivity category. There are more than 25 alternatives to Hypernotes for a variety of platforms, including Windows, Linux, Mac, iPhone and iPad apps. The best Hypernotes alternative is CherryTree, which is both free and Open Source. Other great apps like Hypernotes are Cryptee, Tomboy, RedNotebook and CintaNotes.