Ektar was a brand name that didn't signify anything. It wasn't a lens design.
As I recall, there were Ektars on some point and shoots.
Leafing through my Kodak book, it looks like the only other Ektar for 35mm was on the Ektra. Probably more than you want to pay.
And of course there are the medium format Ektars on the Medalist and Chevron - different designs.