Zim Desktop Wiki (http://zim-wiki.org/ http://zim-wiki.org/). It is great note taking application that supports Rich Text features such as bold, italic, checkb

Zim Desktop Wiki (http://zim-wiki.org/ http://zim-wiki.org/). It is great note taking application that supports Rich Text features such as bold, italic, checkbox and bullet lists. It also supports Greek letters, subscripts, superscripts, and Unicode, making it very useful for entering mathematical equations.