The best alternatives to WidgetCat are Glimpse 2, Widgify, and Widgetsmith. If these 3 options don't work for you, we've listed a few more alternatives below.
The original idea of Glimpse 2 was to bring the spirit of the original OSX Open In Safari Dashboard to iOS. Homescreen Widgets are the perfect fit for this. You can add any webpage you want to track as Glimpse Widget
Since iOS 14 it is possible to place widgets on your home screens. Widgify allows you to easily sort your apps on your home screens. Group them by category, color, or usage. The focus of it is usability and minimalism. Let us know what your‘re missing!
Pixel widgets help you customize your home screen and give it a retro look! Choose from existing widget designs or customize your own with 150+ color themes and fonts.