No, it's a commercial product.
If you read the description
"Thirsty Script from Yellow Design Studio is a contemporary script conceived as a marriage of elements from vintage signage scripts, Wisdom Script,…"
http://www.losttype.com/font/?name=wisdom%20script
It's not exact, but is close and it's donationware, so if you are feeling really, really mean, you can type '0' (zero) in the Name your price box.
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