I developed a full stack app that will track and present the Past, Live and Future contests on the most popular sport programming sites.

Codeforces Codechef Atcoder TopCoder HackerEarth HackerRank Leetcode Facebook Google CSAcademy

The 3 types of contests are split across 3 different routes. Each of them is colour coded for better user understanding. Each contest has a link with which you can directly visit the specific programming site

Read the entire blog here on Medium.

The relevant code can be found here on Github.
I created a Youtube Video for the application walkthrough here.