Planguru is a free UI Kit for Sketch and Photoshop that you can use to get started with an event or planning app.
Freebies tagged calendar
Datedropper 3 is the new version of the popular JQuery plugin by Felice Gattuso for creating beautiful date picker calendars.
Datedropper 3.0: A powerful jQuery UI datepicker
Flatpickr is a new plugin built with javascript (zero dependencies) that generates design agnostic datetime pickers to be included in your website or app.
Flatpickr: A lightweight javascript datetime picker
A calendar app concept created with CSS only. Coded and released by David Khourshid.
CSS Calendar concept
Here is an interesting iPhone calendar design concept including clock and weather widget. Free PSD designed by sumit chakraborty.
iPhone calendar concept PSD
This freebie is a minimal and flat calendar made up of circles. The author has released both the PSD and the ready-coded widget.
Round calendar – PSD + HTML
A clean and modern calendar app interface for iOS7. Free PSD designed by Charles Patterson.
iOS7 Calendar PSD
Flat style is a trend right now. Today we want to report you a simple calendar widget created and released by Justin Nurse.