Subcategories Widget
Choose from various layouts, set columns and show/hide different elements to get the desired look.
Grid
Columns
Custom Width with Autofit
Instead of setting columns you can set min width of the item and it will fill the available space or jump to the next line if there is not enough space for all item.
Vertical Grid
Css Based Slider
Owl Carousel Slider
A few more examples
Rounded edges
Circle Image layout
Circle Image layout, Image Only
Left/Right Layouts with columns
Text only grid, H2 title
You can hide each element such as image, counter or text. Choose tag and set font size for text.