It is one of the three typefaces designed by Zapf that are shipped with computers running Apple's Mac OS.
[3][4] Like many typefaces of the period, imitations of Zapf Chancery were created for specific uses and by competing companies.
An extended version TeX Gyre Chorus is another similar typeface based on the URW Chancery L font.
Monotype at the time created or licensed many lookalike typefaces for Microsoft software with identical metrics to popular fonts, including Century Gothic, Arial and Book Antiqua, also a Zapf knockoff.
In fact, Ms. Saunders' research and work done on creating Corsiva was televised on the BBC program, Landmarks.