- Rationale - Sequencer for extended just intonation
- Lilypond - Music engraving program
- Xenpaper - Text-based microtonal sequencer
- Ratioscore - Just intonation tool
- Scale workshop - Design and play microtonal scales in your browser
- Scala - Tool for experimentation with musical tunings
- Alda - Text-based programming language for music composition
- WereSoCool - A language for composing microtonal music
- tune - Make xenharmonic music and create synthesizer tuning files for microtonal scales
- New Musical Resources, Henry Cowell
- Genesis of a Music, Harry Partch
- Maximum Clarity and other writings on music, Ben Johnston
- The Arithmetic of Listening, Kyle Gann