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LMMS vs Helio: catalog facts
LMMS	Helio
Free Free and open source under the GPL 2.0.	Free Free and open source under the GPL-3.0.
Windows, macOS, Linux	Windows, Linux, Android, iOS
Piano roll, beat sequencer, song editor and mixer in one free program Over fifteen instrument plugins included before you add anything	Support for exotic scales and microtonal temperaments Minimal, distraction-free interface
No audio recording, so live instruments and vocals need another program Stable releases are infrequent; 1.2.2 dates from 2020	Less conventional workflow than mainstream DAWs Focused on sequencing rather than audio recording
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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