GPL-3.0-or-later AND GPL-3.0-only AND OFL-1.1-RFN AND GFDL-1.3-no-invariants-or-later AND LicenseRef-Homebrew-public-domain AND MIT AND AGPL-3.0-only AND LPPL-1.3c — independent software & tools
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lilypond
Music engraving system
Music engraving system