Coder's Calendar is a free Chrome add-on developed by nishanth_v. This handy tool ensures that you never miss a coding contest again by displaying live and upcoming programming contests happening on various popular platforms.

With Coder's Calendar, you can easily stay up-to-date with the latest coding competitions. The add-on shows a list of live and upcoming coding contests from websites like Codechef, HackerEarth, Hackerrank, Topcoder, Codeforces, CSAcademy, AtCoder, LeetCode, Kaggle, and more.

One of the standout features of Coder's Calendar is the ability to add these events directly to your Google Calendar. This integration allows you to conveniently manage your schedule and ensure that you don't miss any important coding contests.

If you encounter any bugs or have suggestions to make this extension even better, you can log them on the developer's GitHub page. Coder's Calendar is a must-have tool for coding enthusiasts who want to stay on top of the latest programming competitions. Happy coding!