edabit.com
Learn to code (for free) with interactive challenges. Gain XP, unlock achievements and climb the leaderboard. It's the fastest, easiest, most addictive way to learn.
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve realworld challenges.
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programming challenge
Learn to code (for free) with interactive challenges. Gain XP, unlock achievements and climb the leaderboard. It's the fastest, easiest, most addictive way to learn.
Free Web
At Devskiller we make testing programmers look like their first day at work. It’s the best way to recruit.
Free Mac OS X Windows Android iPhone Web
Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
Free Web
The programmer testing solution that matches your job descriptions and helps you hire great developers faster.
Commercial Mac OS X Windows Android iPhone Web
Duel with friends and foes in head-to-head programming battles!.
Free Personal Web
Develop your coding skills and practice them by competing with hundreds of players worldwide. Code your own bots in your preferred language and join the various...
Free Web
Unique peer-reviewed code challenges for deep insight into candidate's technical skills and abilities.
Commercial Windows iPhone Chrome OS
Halite is an artificial intelligence programming challenge.
Free Open Source Mac OS X Windows Linux
VIM Adventures is an online game based on VIM's keyboard shortcuts (commands, motions and operators). It's the "Zelda meets text editing" game.
Commercial Web
a social and community platform for students and developers for solving programming puzzles, sharing notes and practicing concepts with the online editor, live...
Free Web