Add post about Calendar.social plans

_posts/2018-06-26-please-welcome-calendar-social.md

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+---
+layout:    post
+title:     "Please welcome Calendar.social"
+date:      2018-06-26 05:36:00
+tags:      [development]
+published: true
+author:
+    name: Gergely Polonkai
+    email: gergely@polonkai.eu
+---
+
+I started looking at decentralised/federated tools some years ago, but other than Matrix I didn’t
+use any of them until recently.  Then this February I joined the Fediverse (federated universe) by
+spinning up my own [Mastodon](https://joinmastodon.org/) instance.  I’m not going to lie, this
+place is pure awesome.  I follow only 53 people but unlike on Twitter or Facebook, I can’t just
+scroll through my timeline; I have to read the all.  These 53 accounts are real persons over the
+Internet with meaningful posts.  I could never find this on the noisy Twitter or Facebook timeline
+during the last 10 or so years.
+
+Bragging aside, and given my strive for learning, I wanted to give back something to this
+community.  I thought about an image sharing platform where people can share their photo albums
+with each other, but I realised I’m not that good at image handling.  So I decided to make a
+calendar instead.
+
+My app, creatively codenamed Calendar.social, aims to be a calendar service similar to Google
+Calendar (and, obviously, any calendar app you can find out there) but instead of using emails, it
+will use ActivityPub to share all the details (although I might add e-mail support sooner or
+later.)
+
+I have a *lot* on my mind about what this tool should/could do when it’s done.  In no particular
+order, here’s a list of them:
+
+- events that can be private (only you and the (optional) guests see them), or public (anyone can
+  see them).  They will have all the usual fields like start/end time, location, and maybe an icon
+  and a cover photo
+- multiple calendars you would expect from a calendar app.  This way you can separate your
+  birthday reminders from the dentist appointments
+- event sharing over ActivityPub and other channels (to be decided, but I think you can take email
+  and maybe Matrix for granted.)
+- full calendar sharing.  The other party can get access from a very basic free/busy level to full
+  write access (which might be a good idea for family or company wide calendars.)
+- Holiday calendars that store national/bank holidays. Users can subscribe to them to see the
+  holidays of a given country/area, and optionally set them as busy (on holiday weekdays) or free
+  (on weekends that are actually workdays for some reason.)
+- Reminders!  Because you obviously don’t want to forget the birthday of your significant other,
+  your anniversary, or your barber appointment.
+- All this developed with time zones, localisation, and accessibility in mind.
+
+That, and anything more that comes to my mind.
+
+You can follow the development [here](https://gitea.polonkai.eu/gergely/calendar-social).  Also,
+feel free to ping me with your ideas on [Mastodon](https://social.polonkai.eu/@gergely),
+[Matrix](https://matrix.to/#/@gergely:polonkai.eu), or any other channels you can find under the
+“Contact me” menu.