Nisarg
Now available on Firefox store as well: https://addons.mozilla.org/en-US/firefox/addon/kontest-reminder/ What's New? - Visit a Coding Contest with one click. - Add a contest to google calendar and use its features. - Set an alarm that will allow the extension to open the contest link 1 minute prior to the contest. - Delete a contest in the list. - Select specific websites for updates. Sites we support? - Codechef - Codeforces - Hacker Earth - Leetcode and many more... Kontest-Reminder doesn’t take any personal information from the user. It fetches data from API's once an hour and stores it in a chrome database. Shout out to kontests.net for providing with awesome APIs.