clean-image-filenames

This WordPress plugin automatically converts language accent characters in filenames when uploading to the media library. Characters are converted into browser and server friendly, non-accent characters.

wp-core-update-cleaner

WordPress plugin that removes wp-config-sample.php, readme.html and license files when WordPress is updated.

hide-updates

This plugin hides update notifications for WordPress core, plugin, and theme updates in WordPress admin for all users except first registered user or specified users.

client-admin-cleanup

This WordPress plugin hides and restricts access to some parts of the wp-admin for clients.