Ciprian Turcu

This plugin gives users the posibility to set a start and end date for each post in a custom form at the bottom of each post and then to add a widget to a sidebar that will show posts in the specified intervals accourding to the current date

Custom Scheduled Posts Widget

Custom skeduled Posts. This widget gives you the ability to show  skeduled posts for start and end times on the widget content.

Pippin Williamson

Modifies the Empty Spam action in WordPress to process the spam deletion in batches, allowing you to delete thousands or even hundreds of thousands of spam comments at once without killing your server.
Have you found a bug or have a suggestion or improvement you’d like to submit? This plugin is available on <a href="https://github.com/pippinsplugins/batch-comment-spam-deletion" rel="nofollow ugc">Github</a> and pull requests are welcome!

Batch Comment Spam Deletion

Modifies the Empty Spam action in WordPress to process the spam deletion in batches instead of all at once.

Custom Scheduled Posts Widget vs Batch Comment Spam Deletion