Filter Posts by Category in WordPress: Complete Guide
Simple Ajax Filter & Search for WordPress - ItsMeReal
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jquery - Ajax filter posts by Category - Stack Overflow
Category Ajax Filter PRO | Filter Posts by category Wordpress Plugin
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GitHub - akshuvo/ajax-filter-posts: Gridmaster helps you create post grids with ajax filter. You can create grid layouts with taxonomy filter, pagination, load more button, infinite scroll, and many more.
Category and Taxponomy term filters - Ajax Search Pro for WordPress documentation