Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+calendar' IN Boolean MODE) order by users desc
2-Pane for Gmail/Calendar
Tune Gmail by hiding the top navigation. Easily turned on and off through an icon in addressbar. It works with Google Calendar too.
World Cup 2018 Calendar
World Cup 2018 is a calendar of all the matches adjusted to your local time.
Workday Calendar
Workday Calendar for 'My Absence', 'My Time Off' and 'Time Off and Leave Requests' pages
Miter: Meeting Notes for Google Calendar
Plan and run better meetings in a snap—directly from Google Calendar!
Google Calendar Font Customizer
Font settings for Google Calendar. Let you set font style with ease.
Badíʿ Calendar - Helper for Google Calendar
Helper for the Badíʿ Calender Extension, to show Badíʿ dates in Google Calendar web pages.
Poll Calendar Matcher
Poll Calendar Matcher simplifies and automates Doodle poll voting by creating an interactive personalized calendar
Airbnb price calendar viewer
An extension for viewing the price of each day in the price calendar when you view listings on Airbnb
Mintid to Google Calendar synchronization
With this extension can you synchronize your shifts from MinTid to your personal Google Calendar.
Academic Calendar Download
Inputs a button for Montana State University which allows you to download the calander.
Right To Left Google Calendar
Displays google calendar in rightToLeft text direction when in edit mode
Pesto (Pragli) Scheduler for Google Calendar
Schedule Google Calendar events in Pesto rooms with one click.
Markdown for Google Calendar™
Provide a preview area for render Markdown text of Google Calendar™ details
Real Jewish calendar
Traditional Jewish calendar with jewish holidays, moon phases, sunsets, sunrises and more
No Condom, Rhythm Methods(Menstrual Calendar)
No Condom, Rhythm Methods(Menstrual Calendar). Show the women's ovulation date, rhythm methods contraception.
Torrent Links for Episode Calendar
Almost instant magnet links, uses torrent sites to find links based on your preferences.
365 RePicture Calendar
The 365 RePicture Calendar is a project that aims to break down stereotypes and create positive social change through visuals.
Google Calendar Button for Inbox by Gmail
Places a 'Google Calendar' Button below the Reminders button in menu of Inbox by Gmail
Contest Calendar
Calendar for all the upcoming contests on different competitive programming platforms like Codeforces, Codechef, Leetcode, etc.
Calendar schedule generator
Add your college/university curriculum to your Google Calendar.
Creates calendar "Term schedule (termId)" with event series…
Speek Google Calendar Add-On
A button to help you quickly add a Google Calendar event for a Speek conference calls. Visit speek.com for more infomation.