lilypond

LilyPond is a command-line tool for creating beautiful sheet music scores. It is a music engraving program that produces high-quality music notation. LilyPond uses a text-based input file format to specify musical scores, allowing for precise control over every aspect of the music. The program is highly customizable, with options to adjust fonts, spacing, layout, and many other parameters. It supports complex musical notation including multi-staff scores, multiple voices, chord symbols, and lyrics. LilyPond has excellent support for classical music notation, but it can also handle other genres such as jazz, pop, and folk. The output of LilyPond can be saved as PDF, PostScript, SVG, or MIDI files, which can be further edited or printed. It is free and open-source software, which means anyone can use, modify, and distribute it without any financial cost. LilyPond has a vibrant community of users and developers who provide extensive documentation, tutorials, and resources to help users get started and explore advanced features.