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Pegasus Frontend vs RomM: catalog facts
Pegasus Frontend	RomM
Free The open-source application is available without a license fee.	Free The open-source software is available without a license fee. Hosting is separate.
Windows, macOS, Linux, Android	Web, Self-hosted
Themes are real QML programs, so the interface can be anything Runs well on Raspberry Pi and Android as well as desktop	Web library with metadata, artwork and in-browser play Save synchronisation across devices through the server
Collections are configured in text files with no wizard Smaller theme and community ecosystem than the bigger front ends	Docker deployment and a database to maintain In-browser emulation performance is limited compared with native emulators
Downloadable app	Self-hosted, Web application
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
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.