18.2
CodeSignal is a skills intelligence platform for organizations that hire, assess, and develop skills, as well as individuals who want to learn through practice.
Free planAndroidiOSWeb
Alternatives to beecrowd
28.2
HackerEarth Assessments is a hiring assessment service for evaluating candidates across skills and personality.
Free planAndroidiOSWeb
37.4
CodeChef IDE is a browser-based environment for compiling and running code through the CodeChef website.
Free planWebAPI
- 4
HackerRank
WebAPImacOSWindows7.4From $165 a month - 5
Codility
WebAPImacOSWindows7.3From $1,200 a year - 6
CSSBattle
CSSBattle is a web game for practicing HTML and CSS by recreating target images with as few code characters as possible.
Free planWeb6.7From $4.90 a month - 7
6.6$7 one-time - 8
DMOJ
DMOJ is an open-source platform for programming contests and an archive of programming problems.
Free planWebAPILinuxSelf-hosted6.5Free plan - 9
Coderbyte
Coderbyte is a talent evaluation platform for screening, assessing, interviewing, and upskilling candidates.
WebAPIExtension6.4From $99 a month - 10
Codewars
Codewars helps people build coding skills through community-created exercises called kata.
WebAPI6.4 - 11
Edabit
Edabit is a web-based service for practicing programming through interactive coding challenges.
Free planWeb6.4Free plan - 12
GeeksforGeeks Practice
GeeksforGeeks Practice is an online coding platform for developers and students working on programming problems.
AndroidiOSWeb6.4 - 13
6.3From $49.99 a year - 14
DOMjudge
DOMjudge automatically evaluates programming contest submissions and provides web interfaces for teams, the jury, and the public.
Free planWebAPILinuxSelf-hosted6.2Free plan - 15
Eolymp
Eolymp is a platform for creating and hosting programming competitions and learning activities.
Free planWebAPI6.2Free plan - 16
AtCoder
AtCoder is a free web-based site for competitive programming contests and practice.
Free planWeb6.1Free plan - 17
Frontend Mentor
Frontend Mentor provides browser-based front-end challenges built around professional web designs for realistic practice and portfolio building.
Free planWeb6.1Free plan - 18
Project Euler
Project Euler is a web-based collection of mathematical and computer programming problems, presented as recreational exercises.
Free planWeb6.1Free plan - 19
CodingBat
CodingBat is a free website for practicing Java and Python through live coding problems.
Free planWeb6.0Free plan - 20
Yandex Contest
Yandex Contest is an online platform for programming competitions, practice, and lessons, with automatic checking of submitted solutions.
Free planWebAPI6.0Free plan - 21
Codeforces
Codeforces is a programming-contest community where participants solve problems and receive ratings that reflect their skills.
Free planWebAPI5.9Free plan - 22
SQLZoo
SQLZoo is a free website for learning SQL through tutorials, reference pages, exercises, and quizzes.
Free planWeb5.9Free plan - 23
Kattis
Kattis is a free online programming service that accepts code through a browser editor, file uploads or a submission client.
WebLinux5.8 - 24
NextJudge
NextJudge is a free, open-source platform for hosting and joining competitive programming contests.
WebAPILinuxSelf-hosted5.8 - 25
AlgoExpert
AlgoExpert is a web resource for software engineers and candidates preparing for coding interviews.
Web5.7From $119 a year - 26
Qualified
Qualified is a web and API platform for assessing software developers in recruiting, education, and certification.
WebAPI5.7 - 27
Topcoder
Topcoder connects businesses with a global talent community to deliver work through crowdsourcing.
WebAPI5.7 - 28
LeetCode
AndroidiOSWeb5.5 - 29
Exercism
Web4.7