Judge0 API is a free, robust and scalable open-source online code execution system.
Judge0 API can help you build wide range of applications varying from competitive programming platforms, educational and recruitment platforms, to online code editors and more.
To see Judge0 API in action, try Judge0 IDE - free and open-source code editor that uses Judge0 API for executing the user’s source code. You can also try using a dummy client, which can help you explore and test almost all the features of Judge0 API.
Detailed API documentation can be found at https://api.judge0.com.
We wrote a paper about Judge0 API that you can find here.
List of supported languages for the latest release can be found here.
To install Judge0 API on your server follow deployment procedure for the latest release.
These companies, organizations and projects successfully use Judge0 API in production:
- Adzetech
- AlgoLadder
- Ask To How
- Brilliant Hire
- CODE.IN
- CodeChum
- CodeClimbers
- CodeForum.ORG
- CodeInn
- CodeManiacs - an online judge for IIT Mandi
- CodeRunner
- Codesites
- Codify
- DevCoach
- Dilla University
- Filtered
- GeekCoders
- Georg-August University of Göttingen
- Indian Institute of Technology Mandi
- Instacks
- Institute of Aeronautical Engineering
- JavaJudge0Api - a Java library for interacting with the Judge0 API
- Judge Code Online
- KPR Institute of Engineering and Technology
- KodKarate - an open-source IDE
- KodNest
- NewsCad
- Newton School
- Picode - an online code playground
- Soft CodeOn
- SparkDatabox
- Stemalica
- Studyfied
- Techie Delight
- Think exam
- ThinkingBell
- University of Zagreb, Faculty of Electrical Engineering and Computing
- Xiith
- judge0-gem - Ruby Gem for interacting with the Judge0 API
- judge0_helm - Helm Chart for Judge0 API
- judge0api - Python library for interacting with Judge0 API
- nGrader
- primat.org
- uDebug Tool
- wkspace
- yoCode
Feel free to add yours to the list by sending me an email or creating an issue.
Do you have a question, feature request or something else on your mind? Or you just want to follow Judge0 news? Check out these links:
- Subscribe to Judge0 news
- Join a Discord server
- Watch asciicasts
- Report an issue
- Contact the author
- Get free online support
- Schedule an online meeting with the author
Judge0 API was created by Herman Zvonimir Došilović.
Thanks a lot to all contributors for their contributions in this project.
Detailed specification of changes between versions can be found in CHANGELOG.md.
Special thanks to these open-source projects without whom Judge0 API probably wouldn't exist: isolate, Docker, Ruby on Rails and others.
Thanks a lot to all my Patrons and PayPal donors that helped me keep Judge0 API free for everybody around the World. Thank you! ♥
Your are more than welcome to support Judge0 on Patreon, via PayPal or Revolut. Your monthly or one-time donation will help cover server costs and will allow me to spend more time on development and maintenance. Thank you! ♥
Judge0 API is licensed under the GNU General Public License v3.0.