Mirror of code from https://create.stephan-brumme.com/flexigif-lossless-gif-lzw-optimization/

macOS menu bar app showing live heart rate from an Amazfit Helio Strap over BLE (SwiftUI + CoreBluetooth)

Offline WHOOP companion — pair your strap over Bluetooth, keep all data on your own device. No cloud, no account, no subscription.

A minimal coding agent for ancient operating systems and devices

Goose Swift proof-of-concept README

Online adaptation of the old puzzle game Gunpey

Bitty Engine - An itty bitty 2D game engine, with built-in editors, programmable in Lua.

Extracting data from FIFA Soccer Manager 1997

The fastest, 32-bit state, seeded random number generator function in Javascript.

🧡 Everything is RSSible

Agent skill: Edward Tufte's data visualization principles for clean, honest, high-data-ink-ratio charts. Recharts, ECharts, Chart.js, matplotlib, Plotly, D3/SVG.

mouNTFS helps you write to NTFS drives on your Mac

A Python framework for self-hosted LLM tool-calling and multi-step agentic workflows

Fastest Amiga Module player ever

An non-official front-end for “khinsider VGM” includes Apple Watch

Hacking the Apple Time Capsule to run modern Samba

Local-only chat bridge between Claude Code sessions, via the Channels API

The puppet master for browser automation - iOS & macOS

Native ARM64 port of OpenEmu for Apple Silicon MacBooks

A simple Markdown viewer for reading .md files

If you want to reclaim tens of gigabytes of your storage used for various Xcode caches - this tool is for you!

Menu bar manager for macOS 26

A lightweight menubar app that tells you how much Codex and Claude usage you have left

UNIX-like reverse engineering framework and command-line toolset.

An Interactive 3D Golf Ball.

💾 Run .exe in browser — x86/ARM emulator with reimplemented Win32/WinCE/Win16/DOS APIs in pure TypeScript