OhMemo is a very small To-Do list manager, allows you to easily manage your To-Do list. Programs supports the RichTextEditing, links, Text Styles and more.
You can create notes with OhMemo. And edit notes in a RichTextBox. Notes separated in a two groups: Normal and Important.

Requirements:
* .NET Framework

The license of this software is Free, you can free download and free use this planning software.