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LSP Plugins vs iZotope Neutron: catalog facts
LSP Plugins	iZotope Neutron
Free Free and open source under LGPL-3.0, supported by donations.	Paid Commercial plug-in suite sold by iZotope; check the product page for current pricing.
Linux	Windows, macOS
Supports CLAP, LADSPA, LV2, VST2 and VST3 Standalone JACK versions with a UI	Ten mixing tools in one suite Mix Assistant suggests starting settings from your audio
Built primarily for GNU/Linux Small core team	Runs as a plug-in inside a host DAW Paid commercial software
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-3.0	License: Proprietary
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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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