CodinGame is an online platform for developers to play with programming with increasingly difficult puzzles, to learn to code better with an online programming application. Developed by CodinGame
License: Free
Spoj is ideal for competitive programmers looking for a wide range of algorithmic challenges, while CodinGame offers a more engaging and gamified platform for learning and practicing coding through games and multiplayer challenges. The two platforms cater to different needs, with Spoj focusing on problem-solving and coding contests, and CodinGame emphasizing learning through interactive experiences.