wp-flash-notices

Admin notices using WordPress transient API to display after page reload.

wp-review-notice

Lightweight library class to show an admin notice asking for a wp.org review after specific days of plugin usage.

wp-cache-helper

Helper class for the WordPress object cache and transients with group flush feature

asynk

Run asynchronous tasks in Drupal easily.

wp-query-builder

Lightweight and efficient MySQL Query Builder based on WordPress' wpdb. Useful for custom tables and default tables.