Many people are assiduous users of Google’s own suite, which comprehends emails, document editors, news readers…but specially an online calendar!
Called Google Calendar, it lets you organize your day, your weeks and your months completely, allowing you to be reminded of any appointment or event via email, or even SMS message. But what if you got fed up of opening it in a new tab while browsing?

Photo Credit: Joe Lanman – Edited by Nicolo’ Canali De Rossi
GCal Popup is a new extension that brings Google Calendar right into Firefox, so that you can access it without changing the webpage you are currently browsing on.
After you install it, a small icon appears in the bottom right of your screen: by clicking it, you will open a big frame that almost covers the whole browser.

Here you can add appointments, change your day schedule, create events, and everything you would have been able to do on the original Google Calendar’s page.
GCal Popup is obviously free, and it is definitely worth a try!
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