We have now added AtCoder to StopStalk. This makes us with 8 profile sites all combined into one - CodeChef, Codeforces, AtCoder, Spoj, HackerEarth, HackerRank, UV and Timus. We are now more than 28000 users globally!
Create a profile and collaborate with your friends - Happy StopStalking!
Original post link - StopStalk: Tool to maintain your algorithmic progress
Register - https://www.stopstalk.com/
Any suggestions are welcome