Guanzhong Chen

Judging backend server for the DMOJ online judge.

A modern open-source online judge and contest platform system.

An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.

An xkcd-style (correct horse battery staple) password generator.

win2xcur is a tool that converts cursors from Windows format (*.cur, *.ani) to Xcursor format. It also contains x2wincur which does the opposite.

Quantum's composable filters and helpers for building a proper ASN

Windows raw sound output capture tool

Quantum's interactive calendars, e.g. French Republican Calendar using historic equinox method for leap years.

Scripts to use with wf-recorder and waybar for screen recording

Tool to run a command, capture its output, and send it to ntfy.

Emulate support for desktop windows (that run behind other windows) on i3

Prepare Alpine Linux as a systemd-nspawn container

Useful University of Waterloo websites and redirects.

Mark potentially slow blocks for notifications when it actually turns out too slow, so you can optimize it.

Removes signatures from PDF documents, so Adobe Reader does not complain when they don't verify

My version of 2048 game, with multi-instance support, restored from old high school project.

Self-hosted URL shortener with focus on link management for private use

The classic cowsay program.

A Windows application converting your text to and from Zalgo.

Debugging tool for time-based one-time password (TOTP).

Build your personal knowledge base with TriliumNext Notes

SVG version of Faenza icon theme for h5ai

Python simulator of a puny universe. (How many words can I stick into one?)

Python implementation of fortune.

Resurrecting the Blue Screen of Death lock screen from my high school days

Tool to use keyboard buttons to click the mouse, for when your mouse button is broken.

Find changed static files, show their URLs, and optionally purge them for you on your CDN.

Music player implemented for the Tiva LaunchPad with the Orbit BoosterPack

LDAP + Kerberos authenticator for nginx's auth_request module.

Unicode is just so large. Let's make it easier to access.

Ever tired of typing? Let the computer type for you!

Is BGP safe yet?

Public user scripts for bgp.tools

No description.

A cross-platform, fast, feature full, GPU based terminal emulator

A powerful CSP middleware for Django.

Piano too expensive? Try the free virtual piano.

SSH AuthorizedKeysCommand proxy: publish your SSH authorized_keys from an existing AuthorizedKeysCommand

Windows alternative command line registry editor.

A DNS record manager using DigitalOcean as backend, useful for assigning DNS records in a DHCP hook.

ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.

Quantum's repository of ARIN IRR objects in RPSL format

Mirror of wayland-protocols from freedesktop.org (for use by GitHub Actions)

A feature-rich command-line audio/video downloader

No description.

SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

No description.

📇 A little directory of people's personal sites

qtime is a simple server that returns the current time in various formats

Automatic updates for Alpine Linux and other systems using apk-tools

A powerful and customizable postprocessing script for paperless-ngx

Quantum's SSH keys

API proxy for powerdns implementing multiple tokens and fine access control.

:books: Web app for browsing, reading and downloading eBooks stored in a Calibre database

An updated drop-in for statping. A Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins. Run on any type of environment.

Send push notifications to your phone or desktop using PUT/POST

A ShareX/file upload server that is easy to use, packed with features, and with an easy setup!

Quantum's QMK keyboard configuration

:art: Asset pipelines for Jekyll.

RING Ansible playbooks & friends

A utility for accepting traceroute on a whole IPv6 address block, using only one host

Rack-based asset packaging system

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Easy Intel Processor Trace Visualizer

Automagically purges CloudFlare's cache when local files are updated.

Builds PipeWire that can be installed on GitHub Actions

xdg-desktop-portal backend for wlroots

EGL API and Extension Registry

Rofi: A window switcher, run dialog and dmenu replacement - fork with wayland support

Swaylock, with fancy effects

A handy phone call manager with phonebook, number blocking and multi-SIM support

Wayland protocols designed for use in wlroots (and other compositors)

A lightweight Wayland notification daemon

A shared memory message based broadcast system using atomic interlocking.

The Python programming language

i3-compatible Wayland compositor

A pure GPLv2 compliant C implementation of the SPICE protocol with minimal dependencies.

🖼️ A command-line system information tool written in bash 3.2+

A modular Wayland compositor library

keymap handling library for toolkits and window systems

Console-based Audio Visualizer for Alsa

GLava - OpenGL audio spectrum visualizer

The WebAssembly Binary Toolkit

Emscripten: An LLVM-to-Web Compiler

Compiler infrastructure and toolchain library for WebAssembly

Build and test bots

Reference implementation and drop in library for keybase proof integration

Simple POSIX-style path library for C++

Runs a command, and sends its output to a Jenkins external job.

DomainMOD is an open source application written in PHP & MySQL used to manage your domains and other internet assets in a central location. DomainMOD also includes a Data Warehouse framework that allows you to import your web server data so that you can view, export, and report on your live data.

A version of PuTTY without "Software error caused connection abort" every time the computer sleeps

A Free Cross-platform Multi-protocol VPN Software. * For support, troubleshooting and feature requests we have http://www.vpnusers.com/. For critical vulnerability please email us. (mail address is on the header.)

A browser created for a school project.

A Django app that provides helper for generating Javascript catalog to static files.

OpenShift DIY cartridge with extra port exposed.

AutoTyper is too slow, let's spice things up

Script Applications

No description.

Guards a computer so people can't abuse it while you are away

Morse code encoders, in many languages!

Flying through the tori in a scenic universe.

Wikipedia articles to plain (Unicode) text