VertyCal
calendar based vertical table cell data management application
VertyCal, short for Vertical Calendar, is a PHP MySQLi application for creating calendar based vertical table cell data managed entries; with the output being viewable to the public and the input functions restricted to a log in access only. Removing entries may only be executed by log in status as well as adding notation to each entry as an update query. Now a WordPress plugin. see: https://wordpress.org/plugins/vertycal/