Sorry for the late reply.
Thanks for the ideas. I think it would be better to post them separately: I consider note numbering, note pagination, and note number filter to be quite different concepts. Maybe then there's be more upvotes as well.

Returning to this issue: no, the keys will be used in the notes list as well. About using Ctrl+Del for deleting notes - I don't think that's particularly user friendly. We need to think of something else) 

Please tell which kind of encryption you'd like to have:
1) Encrypt whole notebook file (when CN is running, the file is decrypted)
2) Encrypted tags (decrypt on command, with timeout)
3) Encrypted individual notes (decrypt on access, encrypt on close)

Thanks! 

I think that note grouping can be really useful, but I'm not sure about grouping by tags. Tags are non-linear, that means that one note can appear in this list more than once. Is that what you intended?

No problem) We'll release a beta version on the forum first, so any bug reports will be very appreciated.

Sorry didn't see your comment until now. The comparison is on the homepage http://cintanotes.com in the "Buy License" block:

License is needed to unlock the following features:

• Multiple notebook files support
• Pasting notes into other applications
• Export to HTML
• Tag usage counts on Tag Sidebar 

 

Thomas, I totally agree that this will be a necessary addition.

Thanks for the advice!