Historical Tuning
- Includes information on the differences between equal temperament and well temperament and why Bach rejected equal temperament and celebrated well temperament.
- http://users.bestweb.net/~rmp/

Comparison of Temperaments
- Table comparing various Western and Non-Western temperaments.
- http://members.pcug.org.au/~apurdam/tempers.html

Alternate Temperaments: Theory and Philosophy
- Introduction to tuning systems, based on the Western cents system. Written by Terry Blackburn.
- http://www.terryblackburn.us/music/temperament/index.html

The Argument for Equal Temperament
- Fred Lerdahl's paper regarding the use of equal temperament over just tuning.
- http://eamusic.dartmouth.edu/~kov/lerdahl/EqTemp.html

Tantrum
- Tool for the study of temperament anomalies.
- http://www.musanim.com/mam/tantrum.html

Pitch and Scale of the Great Highland Bagpipe
- Describes proper tunings and scale construction for the Great Highland Bagpipe.
- http://www-personal.umich.edu/~emacpher/pipes/acoustics/pipescale.html

Keyboard temperament analyzer/calculator
- Excel spreadsheet that analyzes keyboard temperaments: gives beat rates for tuning, and harmonic-tension charts in all keys.
- http://www-personal.umich.edu/~bpl/temper.html

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.
- http://www.larips.com

Musical Tunings and Temperaments
- Color-coded descriptions of tunings and temperaments from the 9th Century through the 16th Century.
- http://www.j2b.co.uk/tuning/

Historical Tunings on the Modern Concert Grand
- Tradational tunings of the grand piano and Beethoven's specific tunings.
- http://www.uk-piano.org/edfoote/

The Development of Musical Tuning Systems
- The historical development of musical tuning systems from ancient Greek origins to the development of equal temperament.
- http://www.midicode.com/tunings/

Dictionary of Microtonal Music Theory
- Dictionary of common terms used in just tuning and equal temperament style tunings.
- http://www.tonalsoft.com/enc/encyclopedia.aspx

An Introduction to Historical Tunings
- Discusses the development of tuning systems in Medieval Europe.
- http://www.kylegann.com/histune.html

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.
- http://www.redshift.com/~dcanright/harmser/

Equal Temperament Tuning
- An introduction to equal temperament for guitarists who have problems tuning their guitars.
- http://users.adelphia.net/~cygnusx_1/equal_temperament.html

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.
- http://www.leeds.ac.uk/music/studio/rproj_swss/tuning/tuning.htm

Understanding Temperaments
- Tunings used for harpsichords.
- http://pages.globetrotter.net/roule/temper.htm

Pythagorean Tuning and Medieval Polyphony
- Article by Margo Schulter written in 1998.
- http://www.medieval.org/emfaq/harmony/pyth.html

World Scale Depository
- Construction of a reference center of scale measurements throughout the world.
- http://www.anaphoria.com/depos.html

A Beginner's Guide To Temperament
- Written for the electronic mailing list Piporg-l by Stephen Bicknell.
- http://www.users.dircon.co.uk/~oneskull/3.6.04.htm

Justonic Tuning Inc.
- Pitch Palette software tunes a microtunable synthesizer to just intonation, world scales, historic scales and user scales in real time.
- http://www.justonic.com/