online-judge VS LeetCode

Compare online-judge vs LeetCode and see what are their differences.


This is my LeetCode solutions for all 2000+ problems, mainly written in C++ or Python. (by lyhsieh)
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online-judge LeetCode
8 571
874 91
3.0% -
7.4 3.5
13 days ago 3 months ago
Python C++
GNU Affero General Public License v3.0 MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of online-judge. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-12.


Posts with mentions or reviews of LeetCode. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-13.

What are some alternatives?

When comparing online-judge and LeetCode you can also consider the following projects:

advent-of-code-jq - Solving Advent of Code with jq - Issue tracker for Codewars

lovelace-engine - 🚜 Automated and secure testing of code submissions in multiple languages for Project Lovelace.

leetcode-anki - Anki cards generator for Leetcode

Vue.js - This is the repo for Vue 2. For Vue 3, go to

pc2v9 - Version 9 of the PC^2 Programming Contest Control System

Exercism - website - The codebase for Exercism's website.

adventofcode - Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala

Big-Omega-Extension - Big Omega extension - Enhance Leetcode Experience

TheAlgorithms - All Algorithms implemented in Python

project-euler - My solutions for Project Euler problems in Python, C, C++, C#, F#, Go, Haskell, Java, JavaScript, PHP, Ruby, SQL