Judge0 CE
API to compile and run source code.
Activity has dropped noticeably. Check the repository before committing to it.
Commit activity more than 24% of tracked projects; popularity more than 65%. How this is calculated.
Commits, last 11 months
| Stars | 4.5k |
|---|---|
| Latest release | v1.13.1-extra · 18 Apr 2024 |
| Repo updated | 25 Sept 2026 |
| Licence | GPL-3.0 |
| Built with | Docker |
Is Judge0 CE actively maintained?
Judge0 CE is under active development: 75 commits landed over the last 11 months, averaging roughly 5 commits a month in the most recent quarter.
The last tagged release, v1.13.1-extra, is over 2 years old. If you deploy, expect to build from the default branch rather than a stable tag.
Judge0 CE ranks #12 of 14 tracked software development - ide & tools projects. Several better-maintained options exist in the same category — they are listed below.
What Judge0 CE actually does
Judge0 CE provides a backend API that compiles and executes source code in various programming languages. It is typically used to build online code editors, coding assessment platforms, and educational coding environments. The service processes untrusted code submissions in an isolated environment.
Best fit: Developers building coding challenge websites, technical interview platforms, or automated grading systems that require remote code execution.
Worth knowing: Running arbitrary user code presents inherent security risks regarding isolation, resource exhaustion, and potential sandbox escapes. Additionally, the maintenance activity for this project has slowed down recently.
Deployment notes
You will typically deploy this via Docker using container orchestration alongside a database and a caching layer. Ensure you configure proper resource limits and network isolation to prevent runaway code executions from impacting your host server.
Links
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