sembee

A basic plugin that excludes posts published before a given date from appearing on the front page. This can be useful if you want to “reboot” your blog but don’t want to lose all previous posts and break all links to them.

Front Page Exclude By Date

A basic plugin that excludes posts published before a given date from appearing on the front page.

zugrina

Small plugin that allows you to exclude pages or posts from WordPress administration post/page listing. It also works with custom post types. Pages or posts can be excluded per user role.
One good example would be a login page with a shortcode for login form. You want to make sure that this page is not deleted by accident.

Tailored Easy Exclude

Small plugin that allows you to exclude pages or posts from WordPress administration post/page listing, and post/page can be excluded per user role.

Front Page Exclude By Date vs Tailored Easy Exclude