jo-el.es

Online judge and programming practice platform for students and teachers, with programming and database problems

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Highlights

  • New on EvolcAdded 2026-11-01

About jo-el.es

JOEL is an online judge for practicing programming, submitting solutions for evaluation, and competing in contests. It also offers database problems for SQL and MongoDB.

The platform serves students and teachers, including programming leagues organized with educational institutions. It is based on DMOJ and is available in Catalan, Spanish, English, German, and Chinese.

Product: An online judge for programming and database exercises, automated submissions, rankings, and contests.

Jobs at jo-el.es

No open positions listed right now.

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Website technologies

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Backend

  • DjangoMedium confidence
    First detected
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    Detection evidence

Hosting

Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.