Here's a list of some pay fonts and their FREE clones.
Vivaldi aka Vivacious, Concerto, Vivenne, Vivante.
Nevison aka Neville Script
Candice aka Banana Split, Friends
Bickham Script aka Beautiful ES
Alexei Copperplate aka Tsarine Anastasia, Campaign
Aristocrat LET aka Wedding Bliss ES
Rage Italic aka Cage
Savoye aka Coronet
Liberty aka Liberate
Koala aka Abrazo Script ssi, GE Arabesque Script, Kaufmann, Koffee
Freehand 591 aka GE Ballantine, Marketing Script
Helinda Rook aka Helena Rook, Heddy Optiscript
Fine Hand aka Lucida Handwriting (Not the same, but some of the letters are very similar. Not really a clone), Florentine (There are several fonts named Florentine and none of them match up with each other, but there is a font named Florentine that is FineHand.)
Young Baroque LET aka Young Love ES
Linotype Zapfino 2 aka Linda Sun
P22 Vincent aka Dear Theo
Frivolous aka Frivolity
Murray Hill aka Murphy Script, Mural Script—also VERY similar to those fonts: AT Mahogany Script, Monterey, Chapel Script
P22 Cezanne aka Hannibal Lecter, CK Maternal (not exactly the same, but very close. Some letters are changed)
Blaze ITC aka Blazing Italic
Sunnydale aka Skinny Dale
Donaldson Hand aka London Ads
Brody aka Brophy Script, Briquet, Brandy Script
Freehand 575 aka Alperton Regular
Bickley Script aka Elegant, Scrap Calligraphy
Bailey Script aka Ribbons, Quigley Wiggly
Civitype aka Civil
Esperanza aka Dobkin, GE Montage
GE Handy Script aka Handscript WSI
Kunstler Script aka Kastler
Coni Script SSk aka Kalinka Brush
Iphegenia aka Kelly Brown, Dalia
Miss Brooks aka Penstyle, Mary Brooks, Ponytail Script
Liana aka Lainie Day
Mistralaka Mystical, Stacatto 222, Zephyr Script
Pepita aka Pepper, Fajita, Dr. Pepper, New Berolina (this font is slightly different but still very similar)
Amazone aka Amaze, Amapola
Spring aka Snow Blind, Bustamalaka
Tabitha aka Hudson
Marnie Regular aka Toots Extended
PT Barnum aka Big Top
Brush 445 BT aka Brush Flash
Polonaise aka Chase Callas, Chopin Script
E Brandt Script aka Coredo Script SSk
Oz Handicraft aka Freehand 701
Gando BT aka French 111 BT, Linus, Linoscript
Singlesville Script aka Maidstone (Some slight differences in this font, but certainly similar enough to be substituted.)
Freestyle Script aka Freeport, Whisper Write, Arabella (I’ve seen a few versions of Arabella that are different, but the one I have is the same as Freestyle Script.)
Gillies aka Jillian, Diner
Freehand 591 aka Bingham Script
Beachman Script aka Rechtman
Enviro aka Envision
Firenze aka Florence
Frankenstein aka Fette Fraktur
Nuptial Script aka Nuance, Bridal Script
President aka Present Script
Wedding Text aka Linotext
Amy aka Amelia, Orbit
Hogarth Script aka Certificate Script
Formal Script 421 aka Merlin
Choc aka Chalk, Stacatto 555
Dom Casual aka Polka, Franciscan
Eckmann aka Edda, Freeform 710
French Script aka Cathedral, Typo Upright
Harting aka Batik
Harlow aka Hollow
Palace Script aka Embassy, English 157
Plaza aka Playwright, Promenade, Andes, Mushroom Hill
Poppl Residenz aka Majestic Script, Jacoba, Renaissance
Gesseleaka Arabesco, Redonda (slight difference, but nearly the same)
Van Dijk aka Surreal, Surfer
Exocet aka Diablo, Avalon Quest, AV Quest
Dauphin aka Dolphin