Any good lifetime deals sites for a digital marketing SaaS?

Hello there,

Have you ever promoted your software with lifetime deals sites? I've discovered a bunch (AppSumo, PitchGround, Dealify, SaasMantra etc.), but talked only with AppSumo so far. Trying to find out more information on it and have a pretty good feeling about PitchGround.

Especially interested in digital marketing products, mine is in Local Marketing to be even more precise, but ofc any good story/advice will be appreciated :)