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YoshKoz/README.md

Yoshi / YoshKoz

I build tools for Windows, Linux, hardware, automation, and whatever else I happen to be experimenting with.

I'm especially interested in systems tooling, reverse engineering, Rust, PowerShell, and making old or awkward hardware useful again.

Projects

EZ-Flash II USB Flasher Rust CLI and GUI for the EZ-Writer II / EZ-Flash II GBA cartridge flasher. Supports ROM dumping, save backup/restore, firmware loading and WinUSB/libusb.

LDACast Experimental user-mode LDAC audio source for Windows using a dedicated Bluetooth adapter, BTstack and libldac.

updateEverything PowerShell updater for Windows package managers, developer toolchains and system components.

shelf Local-first Rust TUI for bookmarks and notes. Markdown files are the source of truth; SQLite provides the search index.

Harmonia Desktop music player built with Rust and GPUI, combining a local music library with Spotify.

win-audit PowerShell tool for inspecting Windows security configuration and producing readable audit reports.

Smaller things

Most of these started because I wanted something for my own machine and couldn't find quite what I wanted.

Pinned Loading

  1. ez-flash-ii-usb-flasher ez-flash-ii-usb-flasher Public

    Modern open-source replacement for the Windows XP-era EZ-Writer II / EZ-Flash II USB flasher. Dump GBA ROMs and saves via USB -- no kernel drivers needed. Works on Windows 10/11, Linux, macOS.

    Rust 4 1

  2. updateEverything updateEverything Public

    One PowerShell script to update everything on Windows: Winget, Scoop, Chocolatey, WSL, npm/Rust/Go/Python/pip/uv and more. Dry-run, fast mode, scheduled tasks.

    PowerShell 4 2

  3. Harmonia Harmonia Public

    Desktop music player built with Rust + GPUI (Zed's UI framework). Unified local library and Spotify streaming, SQLite-backed, dark/light theme.

    Rust

  4. LDACast LDACast Public

    LDAC for Windows, at last: user-mode LDAC A2DP source over a generic Bluetooth dongle (BTstack + libldac) with a WinUI 3 control app.

    Rust

  5. shelf shelf Public

    Local-first TUI bookmark/note manager β€” markdown files as source of truth, SQLite as a disposable index

    Rust

  6. win-audit win-audit Public

    PowerShell security audit tool for Windows 10/11 with HTML, JSON and text reports.

    PowerShell