Based on our record, UI Filler seems to be more popular. It has been mentiond 1 time since March 2021. 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.
Working link: https://uifiller.com (I don't know how to make it a link in the body of the post). - Source: Hacker News / almost 2 years ago
Placemat - Pretty nice placeholder images.
Placeholder Loader Creator - SVG component editor to create placeholder loaders
Fill Murray - Custom-sized placeholder images of Bill Murray
Place Dog - Cute dogs as placeholders for your websites and designs
PlaceKitten - Dead-easy placeholder images. Of kittens.
Gradient Joy - Beautiful gradients as placeholder images just for you