Christopher Wellons

SSH tarpit that slowly sends an endless banner

Endlessh is a tiny C program that wastes the time of automated SSH scanners by pretending to be an SSH server and drip-feeding a never-ending banner, trapping bots for hours without affecting real users.

Portable C and C++ Development Kit for x64 (and x86) Windows

Live web development in Emacs

Automated integer hash function discovery

Encrypted personal archives

Branchless UTF-8 decoder

Personal scratch code

Portable, reentrant, getopt-like option parser

Shamus Young's procedural city project

C JSON parser library that doesn't suck

Demonstration of interactive C programming

Extensible Emacs HTTP 1.1 server

async/await for Emacs Lisp

WebGL particle system demo

Generate a PGP key from a passphrase

Impatient html mode. See your changes in the browser as you type

Fantasy name generator

C11 Lock-free Stack

JavaScript serialization that preserves behavior and reference circularity.

Pthreads-free Linux threading demo

Notch's Prelude of the Chambered 48-hour game

Memory cheat tool for Windows and Linux games

DOS Defender (Ludum Dare #31)

My personal dotfiles

Examples for Linux ptrace(2)

Colorful sorting animations

Growable Memory Buffer for C99

Notch's Ludum Dare 22 entry.

My personal .emacs.d

a smaller, simpler, portable pkg-config clone

Emacs youtube-dl download manager

POSIX getopt() as a portable header library

Example Ant-based Java project

C99 trie library

Minimal OpenGL 3.3 core profile demo

WebGL Game of Life

A blazing fast hex dumper

Low-level, fluent, OOP WebGL wrapper

Major mode for editing NASM assembly programs

24-bit BMP (Bitmap) ANSI C header library

Emacs Lisp Foreign Function Interface

Personal website/blog

Test if your system supports Vulkan

scriptable command line program for LLM interfacing

JavaScript seedable random number generation tools.

Mandelbrot set in SIMD (SSE, AVX)

CMake debugger

Gap buffer animation creator

Prototype-based Emacs Lisp object system

ULID Library for C

The Elfeed feed reader experience without Emacs

8-bit Xor Filter in C99

Quick Emacs API lookup on devdocs.io

World's fastest Base64 encoder / decoder

Physics engine liquid in Java.

Quickly jump to x86 documentation from Emacs

Elisp memoization functions

Embeddable POP3 + SMTP server.

Quickly lookup Javadoc pages from Emacs

WebGL shortest path solver

Online reddit shadowban test

Win32 Fiber async/await demo

Simplified, signify-like interface to GnuPG signatures

Asteroids Clone for Windows

WebGL fire effect

Lorenz System WebGL

Automatically play Emacs Tetris

x86_64 brainfuck compiler

Wisp, a lisp programming language

JSON-RPC library for Emacs Lisp

Simple C hash table

PGP key poisoner

JavaScript double pendulum simulation with RK4 integration

Bini file translator for the game Freelancer

Purgeable memory allocations for Linux

WebGL interactive Voronoi diagram

Multimethods for Emacs Lisp

Bencode decoder in ANSI C

GNU style long options for Go

Java Chess Engine

Goblin-COM roguelike game for 7DRL 2015

In-memory, JSON, key-value service with compare-and-swap updates and event streams

UUID generator for Go

C11 + Pthreads Atomic Bounded Work Queue

Fast, lean, efficient geohash C library

HTML5 boids (skewer-mode demo)

Template for Jekyll / deck.js presentations

Emacs mode for editing transcripts.

Roguelike Header Kit

Benchmark for three different kinds of dynamic function calls

Lean, static GnuPG build for Linux

A live CD of my personal development environment

Authenticated Blowfish-encrypted pipe

GUI calculator modeled closely after M-x calc

Markov chain text generation in Emacs Lisp

Joystick support for Emacs

Connect Four AI and Engine

UTF-7 encoder and decoder in ANSI C

RSA cryptography in Emacs Lisp

Pokerware Secure Passphrase Generation

64-bit PRNG shootout

Archive files inside a PNG image

Recursive descent parser for Emacs Lisp

100% XXTEA authenticated, chunked file encryption

Cross-compile GnuPG for Windows using Docker

British Square Engine (Analysis and Perfect AI Player)

Perlin noise toys

Yavalath AI and engine

OpenPGP Long Key ID Collider

ULID Generator for JavaScript

getopt(3)-like option parsing for Lua

Lean, static Git build for Linux

Project moved to https://github.com/rorokimdim/emacs-bencode

Pi pattern search utility

Stack clash coroutine demonstration

Carpet fractal genetic algorithm

Finalizers for Emacs Lisp

Emacs Lisp Reddit API Wrapper

Generates a Makefile that plays Conways' Game of Life.

Quilt implemented in C++

Make an image containing every possible color

Real Mode VGA Demos

ChaCha stream cipher implemented in JavaScript

Cellular autonoma style forest simulator

RC4-based password hashing function

Multi-threading brainfuck compiler

7DRL 2014 entry

Generates realistic names using a Markov chain

Emacs minor mode supporting Apache Ant projects

Toy 3D HTML5 canvas display

Additional PRNG sources for Go's math/rand

Mazelog Monthly Challenge Solvers

A testbed for experimenting with Go modules

Display your life as points.

A complex number library for Emacs

Generate an analysis of your Elfeed database

Go implementation of ISAAC64 cryptographic PRNG

Arcfour (RC4) implementations

Extra support for bitcointip on reddit.

x86 CPU feature listing command line program

Demonstration of an integer overflow exploit

Animated maze generator and solver in Java

Quick static album generator using Python, Markdown, and YAML

/r/Showerthoughts fortune file generator

A planetarium for your terminal! See stars, planets, constellations, and more, all rendered right in the command line—no telescope required. ✨🪐

Personal recipe collection

Shamus Young's Twenty-Sided Tale

Spinning geometry animation (HTML 5)

Quickly look up JavaScript documentation from Emacs

Project Euler problems in Common Lisp

Weak references for Emacs Lisp

GET OFF MY LAWN: The Game (inspired by the YouTube channel)

Demonstrates mutating an existing zlib stream

Mass Effect Quasar Bot

Waterwheel simulation of chaotic motion

Go implementation of the ChaCha stream cipher

Sawayama Solitaire clone in C++ and SDL3 for web and desktop

Classical, compact Alt+Tab replacement for Windows 11

Solves the 3x3 edge-matching tile puzzle

Simon Tatham's puzzles as a Progressive Web App

Shogi MCTS engine in C++ and SDL3 for desktop and web

Real-time raster graphics engine.

A statically-typed bytecode-interpreted programming language in C with zero dependencies.

Azure Artifact Signing utility and action

A C library that may be linked into a C/C++ program to produce symbolic backtraces

Filesystem mirroring utility from DragonFly BSD

Superplexed: Supaplex level and graphics editing suite

24 arithmetic puzzle as a C++/Wasm PWA

A GDB front-end

A minimal, C-based scripting language built for continuous execution, native hot-reload, and explicit state management.

ninja-compatible build tool written in C

Library for arbitrary precision arithmetic and computation

This is a repository for the code posted on my blog

Assembler and TUI emulator for the fictional NandGame computer

SQLite extension that allow to read/write msgpack buffers.

reddit bitcoin tipping bot

f2c for w64devkit

WIN32 native port of BusyBox.

Unofficial mirror of mob development branch

Strongly solving Gobblet Gobblers using retrograde analysis

A Tiny Pixel Art Tool

A re-implementation of Karpathy's micrograd in C

Minimal, mobile-oriented stable-diffusion.cpp web UI

triples

Long distance puppy treat tossing

A simple C based http server implemented using UNIX sockets

Portable clone of Bison in C++

An implementation of the meson build system in c99

Portable clone of flex in C++

A functional, immutable, S-expression based configuration and scripting language, beating Lua (non-JIT) in benchmarks, with easy C integration.

CMake FetchContent support for MPFR

CMake FetchContent support for GMP

Modern evolution of the classic roguelike game NetHack

a small build system with a focus on speed

Medium-level programming language for advanced systems with explicit control over memory, safety, & permissions.

Experiment writing a Puyo Puyo clone with Claude Code via Android

Mirror of CMake upstream repository

A janky w64devkit port of bmake

LLM inference in C/C++

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