一个支持无限层级分类的笔记软件，Python编写，支持富文本编辑和代码高亮，支持Linux和Windows平台。
数据采用sqlite或XML存储，支持密码保护，支持从NoteCase、KeepNote、Knowit、Tomboy、TuxCards、Treepad、Leo等笔记软件导入数据。
新版本改动： protected documents: better checks at extraction time to cope with 7zip extracting zero size files after a wrong password
• protected documents bugfix: windows 7za.exe wrong path detected causing wrong password error
• import from plain text file in WIN_OS allow user to select an extension different than txt (in linux any text file is automatically detected)
• changed behaviour of HOME and END key presses in text: at first press move the cursor to start or end of the line, at second go to smart start or end (start or end excluding spaces)
• dialog tablecolumnhandle: change active radiobutton with Tab and auto focus to text entry
• added support for Scala programming language (from gtksourceview-3.0/language-specs)
• bugfix in import from html and notecase and nested span tags
• bugfix: changing a node syntax highlighting from code to plain text and vice versa did not update the font
• bugfix: if a node has the read only property set, do not let the user change the node type
• bugfix: after changing node type from rich to non rich text, the undo removes all text
• bugfix: preferences dialog, the timestamp format help button was linked to a web page listing options not implemented in the python version; now the link goes to the exact python implementation | 
