As your website grows, chances are great that you lose track of articles you have written in the past. Years Ago Today is a handy plugin that lists all the posts published to your website. It can also provide you with a daily e-mail with a list of links to all the posts you have published to your site on a certain day in the past.
This plugin has 4 hooks for developers to take advantage of. You can use them to set a time to send emails and make changes to the content of your e-mails.