Judge0

Robust and scalable code execution system for humans and AI.

@hermanzdosilovic

Published on Jan 14, 2026

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$10kMRR

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Judge0 (pronounced like "judge zero") is a robust, scalable, and open-source online code execution system. You can use it to build a wide range of applications that need online code execution features. Some examples include AI agents, competitive programming platforms, e-learning platforms, candidate assessment and recruitment platforms, online code editors, online IDEs, and many more.

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@hermanzdosilovicJan 13, 2026

Thrilled to launch Judge0 - our open-source, scalable code execution engine that's powering everything from AI-generated code runners to competitive programming platforms and more.

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Judge0

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Judge0

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