Software
Web MiniDisc (Pro)
A online cross-platform web app that allows for easy copying of music to a NetMD recorder. Requires a Chromium-based browser. Supports groups and full-width titles.
The Pro fork is under more active development and adds features such as disc export from the RH1 and remote NetMD servers.
Zadig USB Driver (req. for Windows only)
Platinum-MD
Platinum-MD is a modern NetMD writing tool, using similar libraries as Web MiniDisc. Popular with Mac users for ease of install. At the time of writing has experimental support for Hi-MD, but lacks groups/full-width support.
Zadig USB Driver (req. for Windows only)
SonicStage
Sony's official NetMD software for Windows
Installation of SonicStage on a modern PC is possible, but driver install is a little more complicated.
SonicStage Digital Archive (Includes retail, Japanese and Ultimate releases)
MD Simple Burner
Sony tool to record CDs to MDs via USB.
netmdcli, himdcli, QHiMDTransfer (linux-minidisc)
A reverse-engineered, cross-platform set of libraries (libnetmd, libhimd), command-line tools (netmdcli, himdcli) and a Qt-based GUI (QHiMDTransfer) for NetMD and Hi-MD devices. Allows full quality SP transfer over USB, unlike SonicStage.
Various forks exist:
Upstream project (GitHub) - Original project
Vuori fork (GitHub) - NetMD download support fixes (see #62)
Gavin Benda's fork (GitHub) - Used by Platinum-MD, contains Vuori's fixes plus some additional changes
minidisc-ffwd fork (GitHub) - Clean-ups, fixes, backports of netmd-js features, UI improvements (both CLI and GUI)
md-rec
A Python-based tool that automatically records, labels and marks tracks on compatible Sony MiniDisc recorders without NetMD.
Requires a Raspberry Pi (or similar SBC) and a basic circuit to connect to the remote port.
Bandcamp MD tool
A handy resource for arranging albums from Bandcamp onto 60, 74, or 80 minute MDs (including LP modes)
Stock NetMD Software
Missing Software
Sony MD Clip Editor ( MDClip )
Sony Vaio Music Clip Music Clip (for flash based players)