Shea Bunge

This light-weight plugin changes the default wordpress@sitename.com email address that WordPress uses to send emails to the one set in Settings > General. Also changes the sending name to the site title. There is no configuration, simply install and activate.
Visit the <a href="https://sheabunge.com/plugins/personal-email/" rel="nofollow ugc">plugin homepage</a>, or contribute to its development on <a href="https://github.com/sheabunge/personal-email" rel="nofollow ugc">GitHub</a>.

Personal Email

Changes the default address that WordPress uses to send emails to the one set in Settings > General.

samwilson

A simple financial bookkeeping journal for keeping track of personal expenses and income. 
This plugin gives you an extra top-level menu item in the WordPress administration back-end, 
under which you can enter payment and receipt data, view monthly summaries, and generate invoices.

Bookkeeping

A simple personal financial bookkeeping system.

Personal Email vs Bookkeeping