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Work

Projects, with the reasoning behind them.

Open-source projects link to their code. Private work is described without code, customer names or numbers I cannot show.

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WebOpen source · 2026

Passkeys + authenticator codes
150+ automated tests
Nonce-based CSP

leffloard.wtf

This site, and the private system behind it that runs my client work.

Next.js 16
TypeScript
MongoDB
Tailwind CSS
Playwright
Vitest

Discord botsPrivate · 2026

The AI never does the math
119 automated tests
TRY to USD at the day's rate

Partnership ledger bot

Bookkeeping for a two-person business, typed as ordinary chat messages.

Python 3.11
discord.py
SQLAlchemy
Claude API

GraphicsOpen source · 2026

Forward and deferred paths
Instanced drawing
C++20, OpenGL 3.3

MiniEngine

A small C++20 OpenGL renderer with forward and deferred paths.

C++20
OpenGL 3.3
GLSL
CMake

More projects

MobileOpen source · 2026

CardTrack

Credit cards, cash and budgets in one Android app, with real statement-cycle logic.

Kotlin
Jetpack Compose
Room
KSP

Discord botsOpen source · 2026

Discord ticket system

Support tickets in Discord that survive restarts and keep a transcript of every conversation.

Python
discord.py 2
SQLite
chat-exporter

DesktopOpen source · 2026

JarvisCore

A desktop voice assistant prototype with a wake word and a status overlay.

Python
Tkinter
SpeechRecognition
Gmail API

WebOpen source · 2026

Minecraft server status page

A small web page that shows whether a Minecraft server is up, and who is on it.

Python
Flask
Jinja
mcsrvstat.us API

WebLanding page · 2026

TireGo

A landing page for a roadside tire and tow assistance service.

HTML
CSS

WebOpen source · 2025

Income and expense tracker

A lightweight web app for tracking income, expenses and the balance between them.

Python
Flask
SQLite
Bootstrap 5

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