Marune might be a bit more popular than Retro Wave Generator. We know about 1 link to it since March 2021 and only 1 link to Retro Wave Generator. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This is the one I used: https://photofunia.com/effects/retro-wave. Source: over 1 year ago
I both use and created Marune. Check it out, https://marune.social. Source: about 3 years ago
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