Judge0 CE
API to compile and run source code.
Description from awesome-selfhosted (CC BY-SA 3.0)
Still maintained? Yes: 13 commits in the last 90 days, latest release v1.13.1 (Apr 2024).
At a glance
Judge0 CE quick facts
- Health score
- 50/100 SLOWING
- Stars
- 4,499
- Last commit
- 4 days ago (Oct 2026)
- Latest release
- v1.13.1, Apr 2024
- Licence
- GPL-3.0
Top alternatives to Judge0 CE
In its own words
The project's README opens: "Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI."
Why it ranks here
Health score explained
Judge0 CE scores 50/100, #10 of 14 in Software Development - IDE & Tools: 13 commits in the last 90 days earn 15.2 of 35 points, the latest release (v1.13.1, 2.5 years ago) earns 0.0 of 25, 4,499 stars add 14.6 of 20, an active, unarchived repository keeps 10 and Docker support adds the final 10. That places it in the slowing band (40 to 69). The biggest shortfall is release recency, worth 25.0 more points.
Recomputed nightly from the GitHub API. How the score is calculated.
- Commit activity 15.2 / 35
13 commits in 90 days (30+ scores full marks)
- Release recency biggest shortfall 0.0 / 25
v1.13.1 released 2.5 years ago
- Stars 14.6 / 20
4.5k stars on GitHub (logarithmic)
- Not archived 10.0 / 10
Repository is active
- Docker support 10.0 / 10
Docker image or Compose file available
Commit activity
- 13
- Last 90 days
- 81
- Last 12 months
- 4 days ago
- Last push
Ranked #10 of 14 tools in Software Development - IDE & Tools by health , between RStudio Server (#9) and RapidForge (#11) .
Details
| Licence | GPL-3.0 |
| Platforms | Docker |
| Latest release | v1.13.1 · 2.5 years ago |
| Stars | 4,499 |
| Open issues | 171 |
| Docker | Yes |
| Repository | judge0/judge0 ↗ |
Judge0 CE vs its top 5 alternatives
Active tools that share a category with Judge0 CE (Software Development - IDE & Tools), scored on the same five terms.
| Tool | Health | Stars | Licence | Last commit |
|---|---|---|---|---|
| code-server | 100 | 80k | MIT | yesterday |
| Langfuse | 98 | 37k | MIT | today |
| Coder | 97 | 17k | AGPL-3.0 | today |
| JupyterLab | 97 | 15k | BSD-3-Clause | today |
| Lowdefy | 94 | 3k | Apache-2.0 | yesterday |
| Judge0 CE (this tool) | 50 | 4.5k | GPL-3.0 | 4 days ago |
Judge0 CE: common questions
Is Judge0 CE still maintained?
Judge0 CE had 13 commits in the last 90 days and its last push was 4 days ago; the latest tagged release, v1.13.1, is from 2.5 years ago. Repoly recomputes this nightly.
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