I built JudgeDesk, a modern offline judge for competitive programming, because Themis was showing its age
TL;DR: JudgeDesk is a free desktop app that grades competitive programming submissions fully offline , on Windows, macOS and Linux . It opens your existing Themis (an official offline judging software from Vietnam's Ministry of Education and Training) contest folders, runs every submission inside an OS-level sandbox, and gives you verdicts you can trust, even when a solution runs right up against…
JudgeDesk is a free desktop application designed to grade competitive programming submissions fully offline on Windows, macOS, and Linux. It opens existing Themis contest folders, runs submissions in an OS-level sandbox, and provides reliable verdicts even when solutions are near the time limit. The app supports Windows 10/11 x64, macOS Apple Silicon (arm64, macOS 11+), and Linux 64-bit (x86_64/amd64 - Ubuntu 22.04 LTS, 24.04 LTS, 26.04 LTS+, and compatible distributions).
JudgeDesk operates independently of the internet, supports direct ranking tables with real-time scores, group testing, interactive problems, and scoring with decimal accuracy. It can accept submissions via a LAN folder, features a notification center, and offers both light and dark themes in two languages. JudgeDesk was created to address limitations in the outdated Themis software, offering accurate resource accounting, stable results near time limits, and support for modern programming languages and formats.
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