The Development of Musical Tuning Systems - The historical development of musical tuning systems from ancient Greek origins to the development of equal temperament.
Equal Temperament Tuning - An introduction to equal temperament for guitarists who have problems tuning their guitars.
Historical Tuning - Includes information on the differences between equal temperament and well temperament and why Bach rejected equal temperament and celebrated well temperament.
Justonic Tuning Inc. - Pitch Palette software tunes a microtunable synthesizer to just intonation, world scales, historic scales and user scales in real time.
Keyboard temperament analyzer/calculator - Excel spreadsheet that analyzes keyboard temperaments: gives beat rates for tuning, and harmonic-tension charts in all keys.
Larpis.com - Previously unknown temperament found on the autograph title page of the "Well-Tempered Clavier"; published 2005. Includes explanations and links to scholarly articles.
Musical Tunings and Temperaments - Color-coded descriptions of tunings and temperaments from the 9th Century through the 16th Century.
Tantrum - Tool for the study of temperament anomalies.
A Tour Up The Harmonic Series - Basic introduction to the Pythagorean circle of fifths and the physical basis for the need for alternative tuning systems.
Tuning by Ratios - This paper explores the use of simple ratios to tune musical intervals and chords. Included are a tutorial, a set of computer programs, and a re-tuned two-part invention by J.S. Bach.