Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
This plugin creates a function named thumbGen() that allows to show any image in the specified size (plus many other things).
ACF Merge Group Tabs is very simple plugin for Advanced Custom Fields to merge tabs from different groups.
Using TailTarget DMP plugin you will be able to better understand your web site audience.
Send an email to the users with birthday in the current month and to the users with birthday in the current day.