What are the best alternatives to Judge0 CE?

We curated strong Programming APIs with reliable docs, features, and pricing. Try several and pick what fits your use case and budget.

How should I evaluate Judge0 CE alternatives?

Check documentation quality, SDKs, uptime, rate limits, and pricing. Start with a free tier and test integration speed and stability.

Public APIs

Judge0 CE Alternatives (2025)

Explore top Programming API alternatives to Judge0 CE. Compare docs, features, and pricing.

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Lua Decompiler

Development

Online Lua 5.1 Decompiler

NASA ADS

Science & Math

NASA Astrophysics Data System

ITIS

Science & Math

Integrated Taxonomic Information System

EPO

Patent

European patent search system api

Gorest

Development

Online REST API for Testing and Prototyping

Mintlify

Programming

For programmatically generating documentation for code

QR code API

Development

Generate and decode / read QR code graphics

Hackerearth

Programming

For compiling and running code in several languages

GitHub

Development

Make use of GitHub repositories, code and user info programmatically

SonarQube

Development

SonarQube REST APIs to detect bugs, code smells & security vulnerabilities

QR code

Development

Create an easy to read QR code and URL shortener

Apptigent PowerTools

Development

Essential utilities for string translation, text to speech, currency conversion, stock quotes, QR code generation, image processing, email validation, data transformation, scientific calculations and more!

Choosing among Judge0 CE alternatives

If you need a quick start, pick an API with a generous free tier and clear examples. For production, compare SLAs, pricing, and SDK support.