Plug-in ( Fixed Future Posts ) for the WordPress.
The Vent plugin allows you to use the WordPress Scheduled posts functionality to enter,list and manage events.
A utility to make it easy for you to space out a number of pre-written drafts over a set time period.
Display upcoming posts in a widget.
Adds a shortcode to include a specific kind of future date (such as "first day of the next quarter" or "Last day of next month").
This plugin allows you send someone a post with a key in the URL to check a future posts.