hedÖrah

// experiments & code 36 projects · tools, technical references & worldbuilding · 2026

01 Showcase

  1. acidcat

    Low-level audio metadata explorer, like exiftool but for audio.

    Audio File Anatomy ▪ pypi

    audio
  2. OSFAMTRE.EXE

    Operating system family tree. Lineage, forks, descendants.

    web
  3. GIF Archaeology & Editor

    Browse, dissect, and re-encode GIFs. Frame-level inspection.

    web
  4. ChromaScope

    Art Analysis Laboratory. Extract palettes, analyze geometry, and more.

    web
  5. Linux Network Stack Flow

    Packet path through the Linux kernel network stack. Annotated flow diagram.

    web
  6. Compression / Archive File Formats Field Guide

    Benchmarks and analyzes 12 common archive and compression file formats.

    web
  7. TunnelMap

    Subway Tunnel Mapping / Underground Cartography Tool.

    repo

    web
  8. Levels & Loudness

    Recording, sound design & mastering reference. Waveform physics, dB scales, LUFS targets.

    audio

02 Tabletop RPGs

  1. LABL-DNGN ( labeldungeon.com )

    Dungeon tile geomorphs for 4x6" & 150x100mm shipping label printers.

    RPG
  2. Kill ENGN

    Modular mech and heavy-vehicle rules for CY_BORG.

    itch

    RPG
  3. Fate Rally

    Simulated death-race league with pro-wrestling storylines and collaborative worldbuilding.

    wiki

    RPG

03 Tools

  1. wrapster

    Secure MCP command gateway for LLMs. GTFObins-derived guardrail signatures.

    repo ▪ mcp ref

    go
  2. Noggin2

    Obsidian + Claude second-brain system. Tag-driven LLM processing, daily capture.

    repo ▪ cheatsheet

    markdown
  3. Plex / Spotify Metadata MCP Servers

    Search, metadata, poster/art retrieval, library exports. Read-only by design.

    plex ▪ spotify

    python
  4. pagescope

    Chrome DevTools in your terminal.

    pypi ▪ repo

    python
  5. spectrum_tui

    RTL-SDR spectrum scanner TUI.

    repo

    python
  6. Moonboard

    Lightweight moodboard for local use.

    web
  7. ansigrivt

    ANSI/ASCII art viewer with interactive physics effects.

    repo

    physics
  8. sort500

    23 sorting algorithms written from scratch in C11. Includes a benchmark and race tool.

    repo

    c
  9. vuln-lab-C

    Minimal, self-contained C programs demonstrating common memory and logic vulnerabilities.

    repo

    c / sec

04 Simulations / Art

  1. BFF Primordial Soup v2

    Spontaneous self-replicator emergence in a Brainfuck-derived computational substrate.

    simulation
  2. Spectral Audio Averaging

    Inspired by Jim Campbell's Illuminated Averages.

    audio
  3. BLACK MATH

    ⊕ ⊖ ⊗ ⊘ ⊙ ⊚ ⊛ ⊜ ⊝ ⊞ ⊟ ⊠ ⊡ ⊢ ⊣ ⊤ ⊥ ⊦ ⊧ ⊨ ⊩ ⊪ ⊫ ⊬

    art
  4. CAMOJACK

    Camouflage pattern generator & editor.

    art

05 References

  1. Kubernetes Cheatsheet

    Interactive k8s reference with search.

    yaml builder

    infra
  2. Linux Namespaces

    Overview, cheatsheet + demos.

    repo

    linux
  3. eBPF Overview

    Overview, cheatsheet + BCC tools.

    repo

    linux
  4. Linux Memory Management

    Virtual memory, page tables, allocators. C examples.

    linux
  5. ESP32 Deep Dive

    Boot modes, stub loader, flash geometry, eFuse, JTAG. Boot ROM to brick recovery.

    embedded
  6. LoRa / LoRaWAN Deep Dive

    Chirp spread spectrum, SX127x/SX126x registers, LoRaWAN MAC. Register-level C.

    radio
  7. CAN Bus / Car Hacking Deep Dive

    CAN frames, SocketCAN, UDS/OBD-II diagnostics, ECU firmware dumping.

    embedded
  8. Python Bugs

    Bug families that hit production + tool coverage map.

    teardown

    python
  9. MCP Cheatsheet

    Protocol spec quick reference. Primitives, transport, lifecycle, SDK patterns.

    deep dive ▪ attack surface ▪ briefing

    protocol
  10. AI / ML Infographic Series

    20 interactive explainers + cheatsheets.

    ml
  11. Bookbinding Glossary

    Structures, sewing, covering, adhesives, conservation. Hand binding to edition work.

    craft
  12. Windows vs. Linux disk and filesystem commands reference

    Windows vs. Linux disk, partitions, and filesystems reference.

    sys

06 Ongoing

  1. web