A cross-platform desktop application for managing Commodore 64 Ultimate, Ultimate 64, Ultimate 64 Elite, and Ultimate-II+ devices. Browse files, mount disk images, stream VIC video/audio, play SID music, and edit device configuration.

Prebuilt binaries for macOS, Windows, and Linux (AppImage) are available on the GitHub Releases page: https://github.com/sandlbn/ultimate64-manager/releases

Required: Enable the following services in the Ultimate / Commodore menu (not in this app): Web Remote Control, FTP File Service, Ultimate DMA Service, and Ultimate Ident.
If these services are disabled, Ultimate64 Manager will not be able to connect.

• Dual-Pane File Browser – Local and remote file browsing side by side
• FTP File Transfer – Upload/download files via FTP with multi-file selection
• Remote Directory Browser – Browse the Ultimate filesystem without mounting disks
• Disk Image Viewer – Display D64/D71 directory contents (C64-style listing)
• Disk Management – Mount D64, D71, D81, G64, G71 images to Drive A/B
• Run Programs – Direct load and run for PRG and CRT files
• Music Player – Play SID and MOD files with playlist support
  • Shuffle and repeat modes
  • Subsong navigation for multi-tune SID files
  • Song length database support (HVSC Songlengths.md5)
  • True pause/resume (freezes C64)
  • Configurable default song duration
• Video Streaming – Real-time VIC video with audio
  • Fullscreen mode (double-click or Opt+F / Alt+F)
  • Screenshot capture to Pictures folder
  • Unicast and multicast support
• Audio Streaming – SID audio output via UDP
• Memory Editor – Read and write C64 memory in real-time
  • Quick access to common locations (Screen, VIC-II, SID, CIA, Zero Page, etc.)
  • Hex, ASCII, Decimal, Binary display modes
  • Search for byte patterns or ASCII text
  • Fill memory ranges
  • Click-to-edit bytes
• Configuration Editor – Edit Ultimate configuration settings
• Machine Control – Pause, Resume, Reset, Reboot, Power Off
• Remote Keyboard Input – For BASIC and menus
• CSDb Browser – Search and browse releases from CSDb.dk
  • Search by category (All, Releases, Groups, SIDs)
  • Browse latest releases
  • View release details and file listings
  • Run PRG, CRT, SID, and disk images directly
  • Mount disk images with drive/mode selection
  • Download files to local storage

The music player can use the HVSC Songlengths.md5 database for accurate song durations. You can download it from the Music Player tab or place it manually at:

• Windows: %APPDATA%\ultimate64-manager\Songlengths.md5
• macOS: ~/Library/Application Support/ultimate64-manager/Songlengths.md5
• Linux: ~/.config/ultimate64-manager/Songlengths.md5

Screenshots are saved to:

• Windows: Pictures\Ultimate64\
• macOS: ~/Pictures/Ultimate64/
• Linux: ~/Pictures/Ultimate64/

• Rust 1.81+
• Linux (audio support required for streaming):

sudo apt-get update && sudo apt-get install -y libasound2-dev

• For macOS bundle:

cargo install cargo-bundle

# Clone
git clone https://github.com/sandlbn/ultimate64-manager.git
cd ultimate64-manager

# Build
cargo build --release

# macOS bundle
cargo bundle --release

Streaming requires a wired Ethernet connection. Wi-Fi is not supported.

MIT License

• Ultimate64 team
• Ultimate64 Rust Library
• Iced GUI framework