Calendar Show & Tell

I'm interested to see other members Calendar implementations, and if they have kept to vanilla stock - or made changes in a certain way. Also looking for inspiration!

@Mouth @Fisnik Myrtezaj @Crazy-Achmet (I'd tag more, but I'm unaware of more members)
I like this script but i don`t use it for calendar i have another concept... i work on it more and i have create another addons, who cr can add field on event and show it below... i have change geocomplete etc...