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LMMS vs MuLab: catalog facts
LMMS	MuLab
Free Free and open source under the GPL 2.0.	Paid Sold through the MuTools shop, with downloads available from the site.
Windows, macOS, Linux	Windows, macOS
Piano roll, beat sequencer, song editor and mixer in one free program Over fifteen instrument plugins included before you add anything	Modular engine for building custom synths and effects Works standalone and as a plugin
No audio recording, so live instruments and vocals need another program Stable releases are infrequent; 1.2.2 dates from 2020	Smaller user community than mainstream DAWs Modular approach takes time to learn
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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