These are mostly the products that took over where absinthe left off, after the ban. Pastis is an absinthe-like anise spirit that was essentially created to fill the gap left by absinthe. There are also a number of intentional absinthe substitutes which are available in places where absinthe is difficult to obtain.
A Classic Cocktail
Stir in iced mixing glass and strain into chilled cocktail glass.
The Old Waldorf-Astoria Bar Book