Bookmarks in the note editor

"Rolodex", "Teledex" views of tags

Backups on remote servers

Option to try to keep note selection on filter change

Virtual folders support

Add tooltips to controls which need explanation

Option to use single Tab instead of Ctrl+Tab for inserting the Tab character in note editor

Keep formatting when clipping from Word

Different color icons for different instances of CN

Drag & drop files to notes