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Igir vs clrmamepro: catalog facts
Igir	clrmamepro
Free Free and open source under the GPL.	Free Free to download and use.
Windows, macOS, Linux, Command line	Windows
One command sorts and filters a whole collection with no setup Output presets for RetroArch, MiSTer and flash carts	Decades of refinement in auditing and rebuilding ROM sets Handles MAME merged and split set conventions correctly
Command line only Requires Node.js	The interface is dense and assumes you understand DAT conventions Windows focused, closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.