You are skinflint, so what? It's not shameful.

You can still contribute to Notepad++ project by following ways :

1. Translate Notepad++ program in your native language (If your language is absent, of course).
2. Translate Notepad++ pages in your native language. Click here to download the pages to translate.
3. Tell your grand-mom or your 3 years-old son how fantastic is Notepad++, encourage them to download it and use it.