An nsjail Docker image for CTF pwnables. Easily create secure, isolated xinetd/inetd-style services.

Boilermake 2025: Keep Typing And Nobody Explodes

🔥🛡️ Blazingly Fast & Secure Code Execution Platform Powered by nsjail

Mingdao OnlineJudge, A performant contest management system base on cutting edge stack.

Pre-built nsjail executable and library for Python developers

Notes on using kctf/nsjail for more interesting CTF challenges. (incomplete but hopefully helpful)

Production-grade competitive programming judge with nsjail sandboxing. 17 languages, IOI/ICPC/Codeforces scoring, compilation cache, horizontal scaling.

Online judge with additional features. Measure execution time and limit memory inside nsjail-based sandboxes. Divide your content into sets of exercises and show your results with scoreboards.

A secure Flask-based API to run untrusted Python scripts inside an isolated sandbox using nsjail.

A Go HTTP service for executing untrusted code in isolated sandboxes.

⚠️ OLD EXPERIMENT I used to learn Rust and linux namespaces ⚠️ A port of the excellent process isolation library NsJail to rust with experimental features to decrease the startup latency further

(Gitlab Mirror) - Safe, fast evaluation of arbitrary Kotlin and Python code using Kotlin and Ktor.

A containerized Flask app to execute python code in a lambda instance (GCP Run) secured by NSJail.

Secure Flask API for executing arbitrary Python code in isolated nsjail sandboxes, deployed on Google Cloud Run with resource limits and seccomp filtering.

Complete guide for using NsJail to sandbox C++ programs