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BoilR vs Steam ROM Manager: catalog facts
BoilR	Steam ROM Manager
Free Free and open source under the MIT or Apache 2.0 licence.	Free Free and open source.
Windows, Linux	Windows, macOS, Linux
Adds games from other launchers to Steam in one pass Fills in library artwork automatically	Imports many games at once Fetches artwork automatically
Only useful if Steam is your main launcher Coverage of other platforms is broad but not complete	Useful only if you use Steam as your launcher Parser setup takes some learning
Downloadable app	Downloadable app
Open source	Open source
License: MIT OR Apache-2.0	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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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