ClrMamePro vs Retrom

ClrMamePro scans and rebuilds MAME machine sets, checking ROM, sample, and CHD files for missing, unnecessary, or incorrectly named files. Its Rebuilder matches input files against a database using hashes and size, then writes correctly named machine files to an output folder. The package includes a graphical interface and a command-line executable with Scanner, Rebuilder, and Dir2Dat functions. The tools can use a MAME executable's listxml or listsoftware export as a data source. They use 7z.dll for 7z archive support and can produce zip, 7z, or decompressed output. A suitable DatFile allows use with systems beyond MAME. There is no install wizard; users unpack the archive into a folder. Current builds run on Windows 7 and higher, while older documentation describes Linux use under WINE or similar. The software is freeware, and the copyright notice identifies Roman Scherzer as its author; he says he started clrmame(pro) in 1997. Incorrect settings or removal operations can cause data loss, so the author recommends backups.

Retrom is a self-hosted game library service centered on emulation. It scans a server filesystem for games and platforms, then adds them to a library that desktop clients can use to install, uninstall, and play games. Clients are available for Windows, macOS, and Linux, with a browser client for library access from other devices. Retrom can run with a dedicated server or in standalone mode, where a client runs the server locally; other clients can connect to that standalone server only while the client remains open. It supports cloud saves for built-in and standalone emulators, syncing save data and save states to the server. Emulator profiles can be kept on the server for sharing or restoration, though clients need matching emulator and other client-specific paths to share configurations. Retrom can retrieve metadata and artwork through IGDB, its only listed metadata provider. Steam is its only supported third-party library integration and needs a Steam API key and user ID. Retrom is free under GPL-3.0. The project says it lacks specific security measures and recommends local-network use or a properly secured reverse proxy.