Calendar Popup Plug-in
The 3.1 version of Calendar Popup Plug-in for Mac is provided as a free download on our website. The actual developer of this software for Mac is Productive Computing, Inc. The program belongs to Internet & Network Tools.
From the developer:
Calendar Pop Up Plug-in is the ultimate tool for entering dates, date ranges, and times into your fields.
You may want to check out more software for Mac, such as Calendar by Apple Inc., My menstrual calendar or Mini PopUp Calendar, which might be related to Calendar Popup Plug-in.